:Issued: 1998 Jan 01 2006 UT Stratwarm Alert Exists Stratwarm Thursday Comment: THE WARMING OVER ALASKA,CANADA AND THE ADJACENT ARCTIC WEAKENING, BUT TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 50HPA UPWARDS INTO THE UPPER STRATOSPHERE. THE WARMING OVER THE EASTERN MEDITERRANEAN AREA EXTENDING TO SOUTH SIBERIA/MONGOLIA,STRENGTHENING,TODAY. :Issued: 1998 Jan 02 1358 UT Stratwarm Alert Exists Stratwarm Friday Comment: THE WARMING OVER ALASKA,CANADA AND THE ADJACENT ARCTIC FURTHER WEAKENING.THE REVERSED TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE EXISTS ONLY IN THE LOWER STRATO- SPHERE AROUND 50HPA,TODAY.THE LARGE AND INTENSE WARMING OVER SIBERIA FURTHER STRENGTHENING.WARM AIR SPREADING NORTH- EASTWARDS. :Issued: 1998 Jan 03 1316 UT Stratwarm Alert Exists Stratwarm Saturday Comment: STRATWARM ALERT/SATURDAY/STRATWARM EXISTS. INTENSE WARMING OVER SIBERIA CONTINUES,STRENGTHENING. WARM AIR SPREADING NORTHEASTWARDS. :Issued: 1998 Jan 04 1427 UT Stratwarm Alert Exists Stratwarm Sunday Comment: STRATWARM ALERT/SUNDAY/STRATWARM EXISTS. VERY INTENSE WARMING OVER SIBERIA AND THE ADJACENT ARCTIC CONTINUES. WARM AIR SPREADING NORTH-AND NORTHEASTWARDS. :Issued: 1998 Jan 05 1405 UT Stratwarm Alert exists Stratwarm Monday Comment: STRATWARM ALERT/MONDAY/STRATWARM EXISTS. VERY INTENSE WARMING OVER SIBERIA AND THE ADJACENT ARCTIC CONTINUES.WARM AIR SPREADING NORTH-AND NORTHEASTWARDS. :Issued: 1998 Jan 06 0305 UT Magnetic K-Index of 4 Observed from 6 Jan 1998 00:00 to 6 Jan 1998 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 06 JAN 98 :Issued: 1998 Jan 06 1319 UT Stratwarm Alert exists Stratwarm Tuesday Comment: STRATWARM ALERT/TUESDAY/STRATWARM EXISTS. INTENSE WARMING OVER EASTERN EUROPE, SIBERIA, ALASKA, AND THE ADJACENT ARCTIC CONTINUES. :Issued: 1998 Jan 06 1813 UT Magnetic K-Index of 4 Observed from 6 Jan 1998 15:00 to 6 Jan 1998 18:00 UT Comment: Additional K-index of 4 possible thru 07/1800UT Jan 1998. :Issued: 1998 Jan 07 0602 UT Magnetic A-Index >=20 Observed 7 Jan 1998 06:00 UT Comment: None :Issued: 1998 Jan 07 0602 UT Magnetic K-Index of 5 Observed from 7 Jan 1998 03:00 to 7 Jan 1998 06:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 1800 UT ON 7 JAN 98 :Issued: 1998 Jan 08 1321 UT Stratwarm Alert EXISTS Stratwarm Thursday Comment: STRATWARM ALERT/THURSDAY/STRATWARM EXISTS. INSENSE WARMING OVER EASTERN EUROPE,SIBERIA,ALASKA AND THE ADJACENT ARCTIC CONTINUES.WARM AIR OVER NORTHWEST SIBERIA SPREADING NORTHWESTWARDS.TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 30 TO 10 HPA. :Issued: 1998 Jan 09 1426 UT Stratwarm Alert Exists Stratwarm Friday Comment: STRATWARM ALERT/FRIDAY/STRATWARM EXISTS. MAJOR WARMING IN PROGRESS. THE ANTICYCLONE EXISTS OVER NORTHEAST SIBERIA AND THE ADJACENT ARCTIC, WHILE THE VORTEX IS DISPLACED OVER LABRADOR SEA, LEADING TO A VERY WEAK MEAN ZONAL WIND FROM WEST AT 60N AT 10 HPA, TODAY. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 30 TO 10HPA. THE WARMEST AIR OVER NORTHEAST SIBERIA SPREADING NORTHWESTWARDS, TODAY. :Issued: 1998 Jan 10 1232 UT Stratwarm Alert Exists Stratwarm Saturday Comment: STRATWARM ALERT/SATURDAY/STRATWARM EXISTS. STRATOSPHERIC WARMING OVER ASIA CONTINUES AND THE COLD VORTEX IS DISPLACED TOWARDS CANADA. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 30 AND 10 HPA AND FURTHER DECREASING ZONAL MEAN ZONAL WIND AT 60N. DEVELOPMENT INTO MAJOR WARMING POSSIBLE. :Issued: 1998 Jan 10 1719 UT Electron Event >=1000pfu @>=2MeV BEG 10 Jan 1998 16:55 UT Comment: None :Issued: 1998 Jan 10 1722 UT Electron Event >=1000pfu @>=2MeV BEG 10 Jan 1998 16:55 UT (S/N 50) This condition was CANCELLED at 10 Jan 1998 17:21 UT Comment: None :Issued: 1998 Jan 10 1725 UT Electron Event >=1000pfu @>=2MeV BEG 10 Jan 1998 16:23 UT Comment: None :Issued: 1998 Jan 11 1316 UT Stratwarm Alert Exists Stratwarm Sunday Comment: STRATWARM ALERT/SUNDAY/STRATWARM EXISTS. A WIDE-SPREAD WARM REGION FURTHER COVERS SIBERIA, ALASKA, AND THE ADJACENT ARCTIC, BUT WEAKENS. TEMPERAURE GRADIENT BETWEEN 60N AND THE POLE REVERSED IN THE LOWER STRATOSPHERE UP TO 10 HPA. :Issued: 1998 Jan 12 1313 UT Stratwarm Alert Exists Stratwarm Monday Comment: STRATWARM ALERT/MONDAY/STRATWARM EXISTS. THE WARMING OVER SIBERIA,ALASKA AND THE ADJACENT ARCTIC WEAKENING,BUT TEMPERATURE GRADIENT STILL REVERSED BETWEEN 60N AND THE POLE IN THE LOWER AND MIDDLE STRATOSPHERE UNTIL 10HPA. :Issued: 1998 Jan 13 1333 UT Stratwarm Alert Exists Stratwarm Tuesday Comment: STRATWARM ALERT/TUESDAY/STRATWARM EXISTS. THE WARMING OVER SIBERIA,ALASKA AND THE ADJACENT ARCTIC FURTHER WEAKENING.TEMPERATURE GRADIENT ONLY STILL REVERSED BETWEEN 60N AND THE POLE IN THE LOWER STRATOSPHERE AROUND 50HPA. END OF THIS GEOALERT. :Issued: 1998 Jan 14 1453 UT Stratwarm Alert Ends Stratwarm Wednesday Comment: None :Issued: 1998 Jan 19 0826 UT Type II Radio Emission 19 Jan 1998 06:59 UT Comment: Estimated shock velocity was 400 km/sec +/- 100 km/sec :Issued: 1998 Jan 20 0600 UT Magnetic K-Index of 4 Observed from 20 Jan 1998 03:00 to 20 Jan 1998 06:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 20 JAN 98 :Issued: 1998 Jan 20 1816 UT Magnetic K-Index of 4 Observed from 20 Jan 1998 15:00 to 20 Jan 1998 18:00 UT Comment: Additional K- indices of four (4) possible through 1500 UT, 1/21/98 :Issued: 1998 Jan 25 0603 UT Magnetic K-Index of 4 Observed from 25 Jan 1998 03:00 to 25 Jan 1998 06:00 UT Comment: ADDITIONAL K'S OF 4 ARE POSSIBLE THRU 1500UT ON 25 JAN 98 :Issued: 1998 Jan 26 1913 UT Magnetic A-Index >=20 Watch for 29 Jan 1998 UT Comment: None :Issued: 1998 Jan 26 2250 UT Type II Radio Emission 26 Jan 1998 22:27 UT Comment: None :Issued: 1998 Jan 27 2310 UT Type II Radio Emission 27 Jan 1998 22:14 UT Comment: EST 1000 KM/S :Issued: 1998 Jan 30 0601 UT Magnetic K-Index of 5 Observed from 30 Jan 1998 03:00 to 30 Jan 1998 06:00 UT Comment: Additional K=5 possible through 30 Jan. 1998 1500 hrs UT :Issued: 1998 Jan 31 0329 UT Magnetic A-Index >=20 Observed 31 Jan 1998 03:28 UT Comment: None :Issued: 1998 Jan 31 1827 UT Electron Event >=1000pfu @>=2MeV BEG 31 Jan 1998 18:01 UT Comment: None :Issued: 1998 Jan 31 2108 UT Magnetic K-Index of 4 Observed from 31 Jan 1998 18:00 to 31 Jan 1998 21:00 UT Comment: None :Issued: 1998 Jan 31 2345 UT Magnetic K-Index of 4 Observed from 31 Jan 1998 21:00 to 1 Feb 1998 00:00 UT Comment: None :Issued: 1998 Feb 02 1407 UT Stratwarm Alert Exists Stratwarm Monday Comment: STRATWARM ALERT/MONDAY/STRATWARM EXISTS. A VERY INTENSE WARMING EXISTS OVER SIBERIA AND THE ADJACENT ARCTIC WITH A TEMPERATURE INCREASE OF MORE THAN 45 DGS C AT 10 HPA DURING THE LAST WEEK. :Issued: 1998 Feb 03 1341 UT Stratwarm Alert exists Stratwarm Tuesday Comment: STRATWARM ALERT/TUESDAY/STRATWARM EXISTS. A VERY INTENSE WARMING CONTINUES OVER NORTHEAST EUROPE,WHOLE SIBERIA AND THE ADJACENT ARCTIC. TEMPERATURE GRADIENT RE- VERSED BETWEEN 60N AND THE POLE AT 10-HPA,TODAY. :Issued: 1998 Feb 04 1329 UT Stratwarm Alert EXISTS Stratwarm Wednesday Comment: STRATWARM ALERT/WEDNESDAY/STRATWARM EXISTS. A VERY INTENSE WARMING CONTINUES FROM THE BLACK SEA TO NORTHEAST EUROPE,OVER WHOLE SIBERIA AND THE ADJACENT ARCTIC. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 10-HPA AND ABOVE. :Issued: 1998 Feb 05 1306 UT Stratwarm Alert Exists Stratwarm Thursday Comment: STRATWARM ALERT/THURSDAY/STRATWARM EXISTS. A VERY INTENSE WARMING CONTINUES FROM THE BLACK SEA TO NORTHEAST EUROPE,OVER WHOLE SIBERIA AND THE ADJACENT ARCTIC. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 10-HPA AND ABOVE. :Issued: 1998 Feb 06 1306 UT Stratwarm Alert Exists Stratwarm Friday Comment: STRATWARM ALERT/FRIDAY/STRATWARM EXISTS. A VERY INTENSE WARMING CONTINUES FROM THE BLACK SEA TO NORTHEAST EUROPE, OVER WHOLE SIBERIA AND THE ADJACENT ARTIC. TEMPERATURE GRADIENT REVERSED BETWEEN 60 N AND THE POLE AT 10 HPA AND ABOVE. :Issued: 1998 Feb 07 1320 UT Stratwarm Alert Exists Stratwarm Saturday Comment: STRATWARM ALERT/SATURDAY/STRATWARM EXISTS. THE INTENSE WARMING OVER SIBERIA AND THE ADJACENT ARCTIC SLIGHTLY WEAKENING. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 10 HPA AND ABOVE. :Issued: 1998 Feb 08 1338 UT Stratwarm Alert Exists Stratwarm Sunday Comment: STRATWARM ALERT/SUNDAY/STRATWARM EXISTS. THE WARMING OVER SIBERIA AND THE ADJACENT ARCTIC FURTHER WEAKENING.TEMPERATURE GRADIENT REVERSED BETWEEN 60 N. AND THE POLE AT 10 HPA AND ABOVE. :Issued: 1998 Feb 09 0003 UT Magnetic K-Index of 4 Observed from 8 Feb 1998 21:00 to 9 Feb 1998 00:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT ON 09 FEB 98 :Issued: 1998 Feb 09 1340 UT Stratwarm Alert EXISTS Stratwarm Monday Comment: MINOR WARMING OVER SIBERIA AND THE ADJACENT ARCTIC CON- TINUES.TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 10HPA AND ABOVE. :Issued: 1998 Feb 10 1315 UT Stratwarm Alert Exists Stratwarm Tuesday Comment: STRATWARM ALERT/TUESDAY/STRATWARM EXISTS. MINOR WARMING OVER SIBERIA,ALASKA AND THE ADJACENT ARCTIC CONTINUES.TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 10HPA AND ABOVE. :Issued: 1998 Feb 11 1356 UT Stratwarm Alert Exists Stratwarm Wednesday Comment: STRATWARM ALERT/WEDNESDAY/STRATWARM EXISTS. MINOR WARMING OVER NORTHEAST EUROPE,SIBERIA,ALASKA AND NEAR- LY THE WHOLE ARCTIC CONTINUES.TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 10HPA AND ABOVE. :Issued: 1998 Feb 12 0301 UT Magnetic K-Index of 4 Observed from 12 Feb 1998 00:00 to 12 Feb 1998 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 12 FEB 98 :Issued: 1998 Feb 12 1401 UT Stratwarm Alert EXISTS Stratwarm Thursday Comment: MINOR WARMING OVER SIBERIA,ALASKA,NORTHWEST CANADA AND NEAR- LY THE WHOLE ARCTIC CONTINUES,SLIGHTLY WEAKENING.TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 10HPA AND ABOVE :Issued: 1998 Feb 12 1735 UT Electron Event >=1000pfu @>=2MeV BEG 12 Feb 1998 17:22 UT Comment: None :Issued: 1998 Feb 13 1340 UT Stratwarm Alert Exists Stratwarm Friday Comment: STRATWARM ALERT/FRIDAY/STRATWARM EXISTS. A WEAKENING WARM REGION PERSISTS OVER NORTHEASTERN ASIA, ALASKA, AND THE ADJACENT ARCTIC, EXTENDING TOWARDS CANADA. TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE REVERSED AT 10 HPA AND ABOVE. :Issued: 1998 Feb 14 0016 UT Electron Event in Progress >=1000pfu @>=2MeV at 13 Feb 1998 23:59 UT Comment: Current Flux value is 5.7e+3 p/ cm2-s-str-MeV. :Issued: 1998 Feb 14 1158 UT Stratwarm Alert Ends Stratwarm Saturday Comment: STRATWARM ALERT/SATURDAY/STRATWARM EXISTS. WARM AIR FURTHER COVERS NORTHEASTERN ASIA, ALASKA, CANADA, AND THE ADJACENT ARCTIC BUT TEMPERATURES SLOWLY DECREASE. LAST GEOALERT OF THIS WARMING PERIOD. :Issued: 1998 Feb 15 0008 UT Electron Event in Progress >=1000pfu @>=2MeV at 14 Feb 1998 23:59 UT Comment: Alert will be updated as long as condition exists. 5.0e+003 pcm2s1 sr :Issued: 1998 Feb 15 0030 UT 245MHz Radio Noise Storm BEG 14 Feb 1998 10:43 END 14 Feb 1998 16:00 :Issued: 1998 Feb 15 0207 UT 2695MHz Radio Burst 130 F.U. 15 Feb 1998 01:03 UT Duration 1 Minutes Comment: Derived Background Level is _95_ F.U. :Issued: 1998 Feb 15 0437 UT 2695MHz Radio Burst 190 F.U. 15 Feb 1998 04:25 UT Duration 1 Minutes Comment: Derived Background Level is 95_ F.U. :Issued: 1998 Feb 16 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 15 Feb 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 15 FEB 98 :Issued: 1998 Feb 17 0006 UT Electron Event in Progress >=1000pfu @>=2MeV at 16 Feb 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 16 FEB 98 :Issued: 1998 Feb 18 0002 UT Electron Event in Progress >=1000pfu @>=2MeV at 17 Feb 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 17 FEB 98 :Issued: 1998 Feb 18 0300 UT Magnetic K-Index of 6 Observed from 18 Feb 1998 00:00 to 18 Feb 1998 03:00 UT Comment: ADDITIONAL K'S OF 6 POSSIBLE THRU 1500 UT ON 18 FEB 98 :Issued: 1998 Feb 18 0600 UT Magnetic A-Index >=20 Observed 18 Feb 1998 06:00 UT Comment: None :Issued: 1998 Feb 18 1805 UT Magnetic K-Index of 4 Observed from 18 Feb 1998 15:00 to 18 Feb 1998 18:00 UT Comment: None :Issued: 1998 Feb 20 0300 UT Magnetic K-Index of 4 Observed from 20 Feb 1998 00:00 to 20 Feb 1998 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 20 FEB 98 :Issued: 1998 Feb 21 1309 UT Stratwarm Alert Exists Stratwarm Saturday Comment: STRATWARM ALERT/SATURDAY/STRATWARM EXISTS. AN INTENSE WARMING COVERS SIBERIA, THE POLAR REGION, ALASKA AND NORTH CANADA/NORTHWEST GREENLAND AT 10-HPA LEADING TO A TEMPERATURE INCREASE OF MORE THAN 30 DGS C IN A WEEK OVER NORTHWEST GREENLAND AT 10-HPA. THE COLDEST AIR DISPLACED TO SOUTH SCANDINAVIA. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 30-HPA UPWARDS INTO THE UPPER STRATO- SPHERE. :Issued: 1998 Feb 21 1926 UT Electron Event >=1000pfu @>=2MeV BEG 21 Feb 1998 18:12 UT Comment: None :Issued: 1998 Feb 22 1323 UT Stratwarm Alert Exists Stratwarm Sunday Comment: STRATWARM ALERT/SUNDAY/STRATWARM EXISTS. THE INTENSE WARMING CONTINUOUSLY COVERS SIBERIA,THE POLAR REGION,ALASKA,NORTH CANADA AND GREENLAND AT 10HPA,SLOWLY WEAKENING. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 30HPA UPWARDS INTO THE UPPER STRATOSPHERE. :Issued: 1998 Feb 23 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 22 Feb 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 22 FEB 98 :Issued: 1998 Feb 23 0052 UT Type IV Radio Emission 23 Feb 1998 00:17 UT Comment: None :Issued: 1998 Feb 23 1315 UT Stratwarm Alert Exists Stratwarm Monday Comment: STRATWARM ALERT/MONDAY/STRATWARM EXISTS. WARMING OVER NORTH SIBERIA,THE SIBERIAN/CANADIAN ARCTIC, ALASKA,CANADA AND GREENLAND CONTINUES,BUT SLOWLY WEAKENING. TEMPERATURE GRADIENT ONLY STILL REVERSED IN THE MIDDLE AND UPPER STRATOSPHERE FROM NEARLY 20HPA UPWARDS. :Issued: 1998 Feb 24 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 23 Feb 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 23 FEB 98 :Issued: 1998 Feb 24 1359 UT Stratwarm Alert Exists Stratwarm Tuesday Comment: STRATWARM ALERT/TUESDAY/STRATWARM EXISTS. WARMING OVER NORTH SIBERIA,THE POLAR REGION,ALASKA,CANADA AND GREENLAND WEAKENING,BUT TEMPERATURE GRADIENT FURTHER REVERSED BETWEEN 60N AND THE POLE FROM 30-HPA UPWARDS INTO THE UPPER STRATOSPHERE. :Issued: 1998 Feb 25 1329 UT Stratwarm Alert exists Stratwarm Wednesday Comment: STRATWARM ALERT/WEDNESDAY/STRATWARM EXISTS. WARMING OVER THE SIBERIAN/CANADIAN ARCTIC,CANADA AND ALASKA CONTINUES,BUT WEAKENING.TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE IN THE LOWER AND MIDDLE STRATO- SPHERE FROM AROUND 50HPA TO 10HPA. :Issued: 1998 Feb 26 1329 UT Stratwarm Alert Exists Stratwarm Thursday Comment: STRATWARM ALERT/THURSDAY/STRATWARM EXISTS. MINOR WARMING OVER SIBERIA INTENSIFIES, WHILE THE WARMING OVER CANADA FURTHER WEAKENING. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE IN THE LOWER AND MIDDLE STRATOSPHERE FROM AROUND 50 HPA TO 10 HPA. LAST GEOALERT OF THIS WARMING PERIOD. :Issued: 1998 Feb 28 2348 UT Magnetic K-Index of 4 Observed from 28 Feb 1998 23:15 to 1 Mar 1998 15:00 UT Comment: Additoinal K's of 4 possible through 3/1/98 1500 UT :Issued: 1998 Mar 02 0905 UT Magnetic K-Index of 4 Observed from 2 Mar 1998 06:00 to 2 Mar 1998 09:00 UT Comment: None :Issued: 1998 Mar 02 2159 UT Electron Event >=1000pfu @>=2MeV BEG 2 Mar 1998 21:51 UT Comment: None :Issued: 1998 Mar 04 0004 UT Electron Event in Progress >=1000pfu @>=2MeV at 3 Mar 1998 23:59 UT Comment: Electrons exceeded threshold again on March 3, 1998. :Issued: 1998 Mar 06 0000 UT Magnetic K-Index of 4 Observed from 5 Mar 1998 21:00 to 6 Mar 1998 00:00 UT Comment: None :Issued: 1998 Mar 10 0926 UT Magnetic K-Index of 4 Observed from 10 Mar 1998 06:00 to 10 Mar 1998 09:00 UT Comment: Additional K of 4 possible through 10/1500 UT :Issued: 1998 Mar 10 1150 UT Magnetic K-Index of 5 Observed from 10 Mar 1998 09:00 to 10 Mar 1998 12:00 UT Comment: :Issued: 1998 Mar 10 1209 UT Magnetic K-Index of 6 Observed from 10 Mar 1998 09:00 to 10 Mar 1998 12:00 UT Comment: None :Issued: 1998 Mar 10 1537 UT Magnetic A-Index >=20 Observed 10 Mar 1998 15:00 UT Comment: None :Issued: 1998 Mar 10 1814 UT Magnetic K-Index of 5 Observed from 10 Mar 1998 15:00 to 10 Mar 1998 18:00 UT Comment: Additional K=5 possible thru 11/1500UT Mar 1998 :Issued: 1998 Mar 10 1952 UT Magnetic A-Index >=20 Watch for 11 Mar 1998 UT Comment: None :Issued: 1998 Mar 10 2110 UT Magnetic A-Index >=30 Observed 10 Mar 1998 21:00 UT Comment: None :Issued: 1998 Mar 11 1523 UT Electron Event >=1000pfu @>=2MeV BEG 11 Mar 1998 14:58 UT Comment: None :Issued: 1998 Mar 12 0003 UT Magnetic A-Index >=20 Observed 12 Mar 1998 00:02 UT Comment: A-Index >=20 continues at 0000UT on 12 March, 1998 :Issued: 1998 Mar 12 0006 UT Magnetic A-Index >=30 Observed 10 Mar 1998 21:00 UT (S/N 8) Alert Condition ended at 12 Mar 1998 00:00 UT Comment: None :Issued: 1998 Mar 12 0006 UT Magnetic K-Index of 4 Observed from 11 Mar 1998 21:00 to 12 Mar 1998 00:00 UT Comment: Additional K's of 4 possible through 1500UT on 12 March, 1998 :Issued: 1998 Mar 12 0112 UT 245MHz Radio Burst 200 F.U. 10 Mar 1998 20:39 UT Duration 1 Minutes Comment: None :Issued: 1998 Mar 13 0005 UT Electron Event in Progress >=1000pfu @>=2MeV at 12 Mar 1998 23:59 UT Comment: None :Issued: 1998 Mar 13 0601 UT Magnetic K-Index of 4 Observed from 13 Mar 1998 03:00 to 13 Mar 1998 06:00 UT Comment: Additional K's of 4 possible through 1500ut on 13 March, 1998 :Issued: 1998 Mar 14 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 13 Mar 1998 23:59 UT Comment: None :Issued: 1998 Mar 15 0007 UT Electron Event in Progress >=1000pfu @>=2MeV at 14 Mar 1998 23:59 UT Comment: Current flux value 1.1e+004 :Issued: 1998 Mar 15 0245 UT Magnetic K-Index of 5 Observed from 15 Mar 1998 00:00 to 15 Mar 1998 03:00 UT Comment: Additional K's of 5 possible through 1400 UT 3/15/98 :Issued: 1998 Mar 15 0317 UT Sudden Impulse observed at Boulder 15 Mar 1998 02:10 UT45 Gammas Comment: None :Issued: 1998 Mar 15 0840 UT Magnetic A-Index >=20 Watch for 15 Mar 1998 UT Comment: None :Issued: 1998 Mar 16 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 15 Mar 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 15 MAR 98 :Issued: 1998 Mar 17 0010 UT Electron Event in Progress >=1000pfu @>=2MeV at 16 Mar 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 16 MAR 98 :Issued: 1998 Mar 18 0009 UT Electron Event in Progress >=1000pfu @>=2MeV at 17 Mar 1998 23:59 UT Comment: Electrons exceeded threshold again on 17 March 98. :Issued: 1998 Mar 19 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 18 Mar 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 18 MAR 98 :Issued: 1998 Mar 20 0004 UT Electron Event in Progress >=1000pfu @>=2MeV at 19 Mar 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 19 MAR 98 :Issued: 1998 Mar 21 0008 UT Electron Event in Progress >=1000pfu @>=2MeV at 20 Mar 1998 23:59 UT Comment: Electrons exceeded threshold again on 20 Mar 98 :Issued: 1998 Mar 21 0905 UT Magnetic K-Index of 4 Observed from 21 Mar 1998 06:00 to 21 Mar 1998 09:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THROUGH 21 MAR 98 1500 UT :Issued: 1998 Mar 21 1203 UT Magnetic K-Index of 5 Observed from 21 Mar 1998 09:00 to 21 Mar 1998 12:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THROUGH 21 MAR 98 1500UT :Issued: 1998 Mar 21 1806 UT Magnetic K-Index of 6 Observed from 21 Mar 1998 15:00 to 21 Mar 1998 18:00 UT Comment: Additional of 5 are possible through 00Z on 22 March 98 :Issued: 1998 Mar 21 1812 UT Magnetic A-Index >=20 Observed 21 Mar 1998 18:00 UT Comment: None :Issued: 1998 Mar 22 0014 UT Electron Event in Progress >=1000pfu @>=2MeV at 20 Mar 1998 23:59 UT (S/N 93) Alert Condition ended at 22 Mar 1998 00:13 UT Comment: None :Issued: 1998 Mar 22 0732 UT Type II Radio Emission 22 Mar 1998 07:00 UT Comment: ESTIMATED SHOCK VELOCITY IS 400 +/- 200 KM/SEC :Issued: 1998 Mar 22 0756 UT Type II Radio Emission 22 Mar 1998 07:18 UT Comment: ESTIMATED SHOCK VELOCITY IS 500 +/- 200 KM/SEC :Issued: 1998 Mar 22 1203 UT Magnetic K-Index of 4 Observed from 22 Mar 1998 09:00 to 22 Mar 1998 12:00 UT Comment: None :Issued: 1998 Mar 24 2256 UT Type IV Radio Emission 24 Mar 1998 22:07 UT Comment: IMPORTANCE: WEAK :Issued: 1998 Mar 25 1507 UT Magnetic K-Index of 4 Observed from 25 Mar 1998 12:00 to 25 Mar 1998 15:00 UT Comment: Additional K's of 4 possible through 26/1200UT :Issued: 1998 Mar 26 1810 UT Magnetic K-Index of 4 Observed from 26 Mar 1998 15:00 to 26 Mar 1998 18:00 UT Comment: ADDITIONAL K'S OF 4 ARE POSSIBLE THRU 1500UT ON 27 MAR :Issued: 1998 Mar 26 2359 UT Type IV Radio Emission 26 Mar 1998 23:15 UT Comment: None :Issued: 1998 Mar 27 0100 UT Type II Radio Emission 27 Mar 1998 00:42 UT Comment: None :Issued: 1998 Mar 28 1200 UT Magnetic K-Index of 4 Observed from 28 Mar 1998 09:00 to 28 Mar 1998 12:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THROUGH 28/1200 UT MAR 1998 :Issued: 1998 Mar 29 0258 UT Magnetic K-Index of 4 Observed from 29 Mar 1998 00:00 to 29 Mar 1998 03:00 UT Comment: None :Issued: 1998 Mar 29 0319 UT Type II Radio Emission 29 Mar 1998 03:16 UT Comment: Shock speed 500 KM /Sec, +/- 100 KM/Sec :Issued: 1998 Mar 29 0358 UT Type II Radio Emission 29 Mar 1998 02:45 UT Comment: 1000 KM/SEC :Issued: 1998 Mar 29 0403 UT Type IV Radio Emission 29 Mar 1998 03:02 UT Comment: None :Issued: 1998 Mar 29 1910 UT Magnetic K-Index of 4 Observed from 29 Mar 1998 15:00 to 29 Mar 1998 18:00 UT Comment: Additional K=4 possible thru 30/1800UT Mar 1998. :Issued: 1998 Mar 29 2000 UT Electron Event >=1000pfu @>=2MeV BEG 29 Mar 1998 18:30 UT Comment: None :Issued: 1998 Mar 31 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 30 Mar 1998 23:59 UT Comment: >2 MeV Electrons exceeded threshold on 30 March 1998 :Issued: 1998 Mar 31 0540 UT Type IV Radio Emission 31 Mar 1998 02:52 UT Comment: None :Issued: 1998 Mar 31 2033 UT Magnetic A-Index >=20 Watch for 1 Apr 1998 UT Comment: None :Issued: 1998 Apr 01 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 31 Mar 1998 23:59 UT Comment: None :Issued: 1998 Apr 01 0038 UT Type II Radio Emission 31 Mar 1998 05:51 UT Comment: Estimated shock velocity 900 KM/S Note: Report received late :Issued: 1998 Apr 02 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 1 Apr 1998 23:59 UT Comment: Electrons exceeded threshold on 1 April 1998 :Issued: 1998 Apr 03 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 2 Apr 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 02 APR 98 :Issued: 1998 Apr 04 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 3 Apr 1998 23:59 UT Comment: Electrons exceeded threshold on 3 April 1998 :Issued: 1998 Apr 05 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 4 Apr 1998 23:59 UT Comment: Electrons exceeded threshold on 4 April 1998 :Issued: 1998 Apr 07 0115 UT Type II Radio Emission 6 Apr 1998 04:55 UT Comment: ESTIMATED SHOCK SPEED 850KM/S :Issued: 1998 Apr 07 1822 UT Sudden Impulse observed at Boulder 7 Apr 1998 17:50 UT12 Gammas Comment: 12 nT (H-componenet) in Boulder :Issued: 1998 Apr 08 0936 UT 2695MHz Radio Burst 290 F.U. 8 Apr 1998 08:52 UT Duration 1 Minutes Comment: Derived Background Level is 135 F.U. :Issued: 1998 Apr 09 1405 UT 2695MHz Radio Burst 290 F.U. 8 Apr 1998 08:52 UT Duration 1 Minutes (S/N 19) Alert Condition ended at 9 Apr 1998 14:03 UT Comment: Event was not at event threshold, cancel this alert :Issued: 1998 Apr 10 1800 UT Magnetic K-Index of 4 Observed from 10 Apr 1998 15:00 to 10 Apr 1998 18:00 UT Comment: None :Issued: 1998 Apr 14 1747 UT Electron Event >=1000pfu @>=2MeV BEG 14 Apr 1998 17:20 UT Comment: None :Issued: 1998 Apr 15 0838 UT Type IV Radio Emission 15 Apr 1998 07:58 UT Comment: Activity encompasses 30 to 77 MHz :Issued: 1998 Apr 15 1306 UT Type IV Radio Emission 15 Apr 1998 12:26 UT Comment: Activity encompasses 30-80 MHz :Issued: 1998 Apr 16 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 15 Apr 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 15 APR 98 :Issued: 1998 Apr 17 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 16 Apr 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 16 APR 98 :Issued: 1998 Apr 17 1156 UT Magnetic K-Index of 4 Observed from 17 Apr 1998 09:00 to 17 Apr 1998 12:00 UT Comment: ADDITIONAL K's OF 4 POSSIBLE THROUGH 1500 Z 4/17/98 :Issued: 1998 Apr 20 0912 UT Magnetic K-Index of 4 Observed from 20 Apr 1998 06:00 to 20 Apr 1998 09:00 UT Comment: None :Issued: 1998 Apr 20 1214 UT Type II Radio Emission 20 Apr 1998 09:56 UT Comment: SHOCK SPEED 1600 Km /Sec :Issued: 1998 Apr 20 1424 UT Proton Event >=10pfu @>=10MeV BEG 20 Apr 1998 11:15 UT Comment: None :Issued: 1998 Apr 20 1728 UT Proton Event >1pfu @>=100MeV BEG 20 Apr 1998 17:10 UT Comment: None :Issued: 1998 Apr 21 1451 UT Proton Event >=10pfu @>=10MeV BEG 21 Apr 1998 14:49 UT Comment: THIS IS AN UPDATE TO THE ALERT ISSUED AT 1400UT ON 20 APRIL THE PROTONS REMAIN ABOVE THRESHOLD :Issued: 1998 Apr 21 1741 UT Proton Event >1pfu @>=100MeV BEG 20 Apr 1998 17:10 UT Comment: THIS IS AN UPDATE TO THE ALERT ISSUED AT 1710UT ON 20 APRIL THE PROTONS REMAIN ABOVE THRESHOLD :Issued: 1998 Apr 22 1834 UT Proton Event >=10pfu @>=10MeV BEG 22 Apr 1998 18:33 UT Comment: This is an update to the alert issued at 1400UT on 20 April. The protons remain above threshold. :Issued: 1998 Apr 22 1915 UT Proton Event >1pfu @>=100MeV BEG 22 Apr 1998 19:12 UT Comment: The proton event >= 100 pfu's ended at 22 Apr at 0430UT. :Issued: 1998 Apr 23 0552 UT Type IV Radio Emission 23 Apr 1998 05:38 UT Comment: None :Issued: 1998 Apr 23 0616 UT 2695MHz Radio Burst 430 F.U. 23 Apr 1998 05:36 UT Duration 29 Minutes Comment: Derived Background Level is 88 F.U. :Issued: 1998 Apr 23 0629 UT X-Ray event X1 BEG 23 Apr 1998 05:35 MAX 23 Apr 1998 05:55 END 23 Apr 1998 06:23 UT Comment: X1 X-Ray event was optically uncorrelated :Issued: 1998 Apr 23 1840 UT Proton Event >=10pfu @>=10MeV BEG 23 Apr 1998 18:38 UT Comment: This is an update to the alert issued at 1400 ut on 20 April. The proton remains above threshold 44 mev. At present :Issued: 1998 Apr 24 0000 UT Magnetic K-Index of 4 Observed from 23 Apr 1998 21:00 to 24 Apr 1998 00:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THROUGH 24 APR 1998 1500UT :Issued: 1998 Apr 24 0300 UT Magnetic K-Index of 5 Observed from 24 Apr 1998 00:00 to 24 Apr 1998 03:00 UT Comment: ADDITIONAL K'S OF 5 ARE POSSIBLE THROUGH 24 APR 1998 1500UT :Issued: 1998 Apr 24 0603 UT Magnetic A-Index >=20 Observed 24 Apr 1998 06:00 UT Comment: None :Issued: 1998 Apr 24 1432 UT Proton Event >=10pfu @>=10MeV BEG 24 Apr 1998 14:30 UT Comment: This is an update to the alert issued at 1400UT on 20 April. The protons remain above threshold. :Issued: 1998 Apr 24 1625 UT Proton Event >=10pfu @>=10MeV BEG 24 Apr 1998 14:30 UT (S/N 7) Alert Condition ended at 24 Apr 1998 15:50 UT Comment: None :Issued: 1998 Apr 25 0259 UT Magnetic K-Index of 5 Observed 25 Apr 1998 from 00:00 to 03:00 UT Comment: Additional K=5 possible to 4/25, 1500 UT :Issued: 1998 Apr 25 0600 UT Magnetic A-Index >=20 Observed 24 Apr 1998 06:00 UT (S/N 28) This condition CONTINUED at 25 Apr 1998 05:59 UT Comment: None :Issued: 1998 Apr 25 1650 UT Electron Event >=1000pfu @>=2MeV BEG 25 Apr 1998 16:43 UT Comment: None :Issued: 1998 Apr 26 0312 UT Magnetic K-Index of 4 Observed 26 Apr 1998 from 00:00 to 03:00 UT Comment: Additional K= 4 possible through 4/26 1500 UT :Issued: 1998 Apr 26 0601 UT Magnetic A-Index >=20 Observed 24 Apr 1998 06:00 UT (S/N 29) This condition CONTINUED at 25 Apr 1998 05:59 UT ^This condition CONTINUED at 26 Apr 1998 06:00 UT Comment: None :Issued: 1998 Apr 26 0603 UT Magnetic K-Index of 5 Observed 26 Apr 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL Ks OF 5 POSSIBLE THROUGH 1500 UT ON 26 APRIL :Issued: 1998 Apr 27 0001 UT Magnetic K-Index of 4 Observed 26 Apr 1998 from 21:00 to 00:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 27 APR 98 :Issued: 1998 Apr 27 0001 UT Electron Event in Progress >=1000pfu @>=2MeV at 26 Apr 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 26 APR 98 :Issued: 1998 Apr 27 0300 UT Magnetic K-Index of 5 Observed 27 Apr 1998 from 00:00 to 03:00 UT Comment: None :Issued: 1998 Apr 27 0612 UT Magnetic A-Index >=20 Observed 24 Apr 1998 06:00 UT Comment: This alert is a continuation of the original alert issued on 24 Apr 98 at 0600 UT :Issued: 1998 Apr 27 0937 UT Type IV Radio Emission 27 Apr 1998 09:03 UT Comment: None :Issued: 1998 Apr 27 1049 UT 2695MHz Radio Burst 1100 F.U. 27 Apr 1998 09:50 UT Duration 50 Minutes Comment: Derived Background Level is 91 F.U. :Issued: 1998 Apr 27 1053 UT 2695MHz Radio Burst 1100 F.U. 27 Apr 1998 08:50 UT Duration 50 Minutes Comment: Derived Background Level is 91 F.U. THIS IS A CORRECTION TO PREVIOUSLY ISSUED ALERT NUMBER 22. THE START TIME WAS 08:50 UT, NOT 09:50 UT. :Issued: 1998 Apr 27 1141 UT X-Ray event X1/2B/S19E50 BEG 27 Apr 1998 08:55 MAX 27 Apr 1998 09:20 END 27 Apr 1998 09:38 UT Comment: Associated Radio included: 2695 MHz Burst - 1100sfu; 50 min duration Type IV Sweep - Imp 3; 30-85 MHz; 74 min duration 270,000sfu integrated flux on 8800 MHz :Issued: 1998 Apr 27 1219 UT Proton Event Warning >= 10pfu @>=10MeV BEG 27 Apr 1998 19:00 UT Comment: None :Issued: 1998 Apr 27 2016 UT Magnetic A-Index >=20 Watch for 29 Apr 1998 UT Comment: NONE :Issued: 1998 Apr 27 2017 UT Magnetic A-Index >=20 Watch for 30 Apr 1998 UT Comment: None :Issued: 1998 Apr 27 2146 UT Proton Event Warning >= 10pfu @>=10MeV BEG 27 Apr 1998 21:44 UT Comment: Proton event failed to materialize. Warning has been cancelled :Issued: 1998 Apr 28 0008 UT Electron Event in Progress >=1000pfu @>=2MeV at 27 Apr 1998 23:59 UT Comment: Electrons exceeded threshold again on 17 Apr 98 :Issued: 1998 Apr 28 0011 UT Electron Event in Progress >=1000pfu @>=2MeV at 27 Apr 1998 23:59 UT Comment: Electrons exceeded threshold again on 27 Apr 98 :Issued: 1998 Apr 29 0000 UT Electron Event in Progress >=1000pfu @>=2MeV at 28 Apr 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 28 APR 98 Alert issued time estimated due to computer error :Issued: 1998 Apr 29 1710 UT 2695MHz Radio Burst 100 F.U. 29 Apr 1998 17:10 UT Duration 7 Minutes Comment: Alert issued time estimated due to computer error :Issued: 1998 Apr 29 1724 UT X-Ray event M6.8/3b/s18e20 BEG 29 Apr 1998 16:06 MAX 29 Apr 1998 16:37 END 29 Apr 1998 16:39 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 Apr 29 2002 UT Type IV Radio Emission 29 Apr 1998 17:07 UT Comment: Strong Type IV Event in Progress Alert issued time estimated due to computer error :Issued: 1998 Apr 29 2144 UT Magnetic A-Index >=20 Watch for 1 May 1998 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 Apr 30 0002 UT Electron Event in Progress >=1000pfu @>=2MeV at 29 Apr 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 29 APR 98 Alert issued time estimated due to computer error :Issued: 1998 Apr 30 1053 UT Sudden Impulse observed at Boulder 30 Apr 1998 09:33 UT 31 nT Comment: Alert issued time estimated due to computer error :Issued: 1998 Apr 30 1330 UT Magnetic A-Index >=30 Watch for 2 May 1998 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 Apr 30 1520 UT Magnetic K-Index of 4 Observed 30 Apr 1998 from 12:00 to 15:00 UT Comment: ADDITIONAL K'S OF 4 ARE POSSIBLE THROUGH MAY 01/1500 UT. Alert issued time estimated due to computer error :Issued: 1998 Apr 30 2125 UT 2695MHz Radio Burst 140 F.U. 30 Apr 1998 21:21 UT Duration 1 Minutes Comment: Alert issued time estimated due to computer error :Issued: 1998 Apr 30 2359 UT Electron Event in Progress >=1000pfu @>=2MeV at 30 Apr 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 30 APR 98 Alert issued time estimated due to computer error :Issued: 1998 May 01 2158 UT Sudden Impulse observed at Boulder 1 May 1998 21:58 UT 36 nT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 02 0020 UT Magnetic K-Index of 4 Observed 1 May 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 02 MAY 98 Alert issued time estimated due to computer error :Issued: 1998 May 02 0100 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 02 0520 UT 2695MHz Radio Burst 530 F.U. 2 May 1998 05:02 UT Duration 13 Minutes Comment: Derived Background Level is __ F.U. Alert issued time estimated due to computer error :Issued: 1998 May 02 0620 UT Magnetic K-Index of 6 Observed 2 May 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL Ks OF 6 POSSIBLE THROUGH 1500 UT ON 02 MAY 1998 Alert issued time estimated due to computer error :Issued: 1998 May 02 0920 UT Magnetic A-Index >=20 Observed 2 May 1998 09:00 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 02 1220 UT Magnetic A-Index >=30 Observed 2 May 1998 12:00 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 02 1340 UT Type IV Radio Emission 2 May 1998 13:38 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 02 1820 UT Proton Event Warning >= 10pfu @>=10MeV BEG 2 May 1998 18:00 UT Comment: The X1/3B X-Ray flare that maxed at 02/1342 UT is expected to produce event level protons at the >= 10MeV energy levels by 1800UT Alert issued time estimated due to computer error :Issued: 1998 May 02 1405 UT Proton Event >1pfu @>=100MeV BEG 2 May 1998 14:05 UT Comment: CURRENT FLUX IS 6.1pfu Alert issued time estimated due to computer error :Issued: 1998 May 02 1430 UT Proton Event >=10pfu @>=10MeV BEG 2 May 1998 14:20 UT Comment: CURRENT FLUX READING IS 17pfu Alert issued time estimated due to computer error :Issued: 1998 May 02 1530 UT 2695MHz Radio Burst 1300 F.U. 2 May 1998 13:37 UT Duration 96 Minutes Comment: Proton event in progress. Alert issued time estimated due to computer error :Issued: 1998 May 02 1600 UT Magnetic A-Index >=50 Watch for 5 May 1998 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 03 0020 UT Magnetic K-Index of 5 Observed 2 May 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 5 ARE POSSIBLE THRU 1500UT ON 4 MAY 98 The following condition was CANCELLED at 3 May 1998 00:24 UT Alert issued time estimated due to computer error :Issued: 1998 May 03 0020 UT Magnetic K-Index of 5 Observed 2 May 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 5 ARE POSSIBLE THRU 1500UT ON 3 MAY Alert issued time estimated due to computer error :Issued: 1998 May 03 0030 UT Electron Event in Progress >=1000pfu @>=2MeV at 2 May 1998 23:59 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 03 0310 UT Magnetic A-Index >=50 Observed 3 May 1998 03:00 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 03 0320 UT Magnetic K-Index of 6 Observed 3 May 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 6 ARE POSSIBLE THRU 1200UT ON 03 MAY Alert issued time estimated due to computer error :Issued: 1998 May 03 0650 UT Proton Event >1pfu @>=100MeV BEG 2 May 1998 14:05 UT Alert Condition ended at 3 May 1998 06:50 UT Comment: Particle counts stayed consistently below 1 particle at 0650UT Alert issued time estimated due to computer error :Issued: 1998 May 03 1422 UT Proton Event >=10pfu @>=10MeV BEG 2 May 1998 14:20 UT This condition CONTINUED at 3 May 1998 14:22 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 03 1745 UT Sudden Impulse observed at Boulder 3 May 1998 17:44 UT 10 nT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 03 2120 UT 2695MHz Radio Burst 750 F.U. 3 May 1998 21:17 UT Duration 21 Minutes Comment: Derived Background Level is __ F.U. Alert issued time estimated due to computer error :Issued: 1998 May 03 2122 UT Type IV Radio Emission 3 May 1998 21:17 UT Comment: The following condition CONTINUED at 3 May 1998 23:59 UT Alert issued time estimated due to computer error :Issued: 1998 May 03 2200 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 04 0020 UT Magnetic K-Index of 4 Observed 3 May 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 04 MAY 98 The following condition CONTINUED at 4 May 1998 02:40 UT Alert issued time estimated due to computer error :Issued: 1998 May 04 0100 UT Magnetic A-Index >=30 Observed 2 May 1998 12:00 UT Comment: This is a continuation of alert issued on 02 May 98 Alert issued time estimated due to computer error :Issued: 1998 May 04 0320 UT Magnetic K-Index of 5 Observed 4 May 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 1500 UT ON 04 MAY 98 Alert issued time estimated due to computer error :Issued: 1998 May 04 0330 UT Sudden Impulse observed at Boulder 4 May 1998 03:01 UT 86 nT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 04 0620 UT Magnetic A-Index >=50 Observed 4 May 1998 06:00 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 04 0620 UT Magnetic K-Index of >= 7 Observed 4 May 1998 from 03:00 to 06:00 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 04 0920 UT Magnetic K-Index of >= 7 Observed 4 May 1998 from 06:00 to 09:00 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 04 1220 UT Magnetic K-Index of 6 Observed 4 May 1998 from 09:00 to 12:00 UT Comment: Alert issued time estimated due to computer error :Issued: 1998 May 04 1230 UT Proton Event >=10pfu @>=10MeV BEG 2 May 1998 14:20 UT This condition CONTINUED at 3 May 1998 14:22 UT Alert Condition ended at 4 May 1998 03:10 UT Comment: Particle counts are below event threshold of 10pfu. Alert issued time estimated due to computer error :Issued: 1998 May 05 0000 UT The following condition CONTINUED at 4 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 63) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 04 MAY 98 :Issued: 1998 May 05 0600 UT Magnetic K-Index of 6 Observed 5 May 1998 from 03:00 to 06:00 UT Comment: :Issued: 1998 May 05 0600 UT The following condition CONTINUED at 5 May 1998 06:00 UT Magnetic A-Index >=50 Observed 4 May 1998 06:00 UT (S/N 3) Comment: :Issued: 1998 May 05 0900 UT Magnetic K-Index of 4 Observed 5 May 1998 from 06:00 to 09:00 UT Comment: ADDITIONAL K'S UPTO 6 POSSIBLE THROUGH 5 MAY 1998 15:00 UT :Issued: 1998 May 05 1034 UT 245MHz Radio Burst 310 F.U. 5 May 1998 09:36 UT Duration 1 Minutes Comment: :Issued: 1998 May 05 1514 UT Magnetic K-Index of 4 Observed 5 May 1998 from 12:00 to 15:00 UT Comment: Additional K =4 possible through 1200ut 6 May 1998. :Issued: 1998 May 05 1816 UT Alert Condition ENDED at 5 May 1998 09:00 UT Magnetic A-Index >=30 Observed 2 May 1998 12:00 UT (S/N 11) Comment: The major geomagnetic storm ended at 0900 UT on 5 May. :Issued: 1998 May 05 1816 UT Alert Condition ENDED at 5 May 1998 06:00 UT Magnetic A-Index >=50 Observed 4 May 1998 06:00 UT (S/N 4) Comment: :Issued: 1998 May 05 2145 UT Magnetic A-Index >=20 Watch for 6 May 1998 UT Comment: :Issued: 1998 May 06 0007 UT The following condition CONTINUED at 5 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 63) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 05 MAY 98 :Issued: 1998 May 06 0011 UT Type II Radio Emission 5 May 1998 23:45 UT Comment: ESTIMATED SHOCK SPEED 500 KM/S :Issued: 1998 May 06 0048 UT Type IV Radio Emission 5 May 1998 23:38 UT Comment: LONG DURATION. :Issued: 1998 May 06 0048 UT 2695MHz Radio Burst 150 F.U. 5 May 1998 23:29 UT Duration 33 Minutes Comment: Derived Background Level is __ F.U. :Issued: 1998 May 06 0825 UT Proton Event Warning >= 10pfu @>=10MeV BEG 6 May 1998 12:00 UT Comment: :Issued: 1998 May 06 0846 UT Proton Event >1pfu @>=100MeV BEG 6 May 1998 08:30 UT Comment: :Issued: 1998 May 06 0859 UT Proton Event >=10pfu @>=10MeV BEG 6 May 1998 08:35 UT Comment: :Issued: 1998 May 06 0924 UT X-Ray event X2.7/1n BEG 6 May 1998 07:58 MAX 6 May 1998 08:09 END 6 May 1998 08:20 UT Comment: :Issued: 1998 May 06 0928 UT Type IV Radio Emission 6 May 1998 08:01 UT Comment: In progress :Issued: 1998 May 06 1023 UT 2695MHz Radio Burst 490 F.U. 6 May 1998 08:01 UT Duration 17 Minutes Comment: :Issued: 1998 May 06 2008 UT Magnetic A-Index >=30 Watch for 8 May 1998 UT Comment: :Issued: 1998 May 06 2008 UT Magnetic A-Index >=20 Watch for 9 May 1998 UT Comment: :Issued: 1998 May 07 0008 UT The following condition CONTINUED at 6 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 64) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 06 MAY 98 :Issued: 1998 May 08 0002 UT The following condition CONTINUED at 7 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 65) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 07 MAY 98 :Issued: 1998 May 08 0241 UT Type II Radio Emission 8 May 1998 02:00 UT Comment: ESTIMATED SHOCK SPEED 800 KM/S :Issued: 1998 May 08 0300 UT Magnetic K-Index of 4 Observed 8 May 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1800 UT ON 08 MAY 98 :Issued: 1998 May 08 0623 UT 2695MHz Radio Burst 430 F.U. 8 May 1998 05:56 UT Duration 14 Minutes Comment: Derived Background Level is 123 F.U. :Issued: 1998 May 08 0701 UT Type IV Radio Emission 8 May 1998 06:09 UT Comment: :Issued: 1998 May 08 0701 UT Type II Radio Emission 8 May 1998 06:04 UT Comment: ESTIMATED SHOCK VELOCITY IS 1000 KM/SEC + OR - 200 KM/SEC :Issued: 1998 May 08 2107 UT Magnetic A-Index >=20 Observed 8 May 1998 18:00 UT Comment: :Issued: 1998 May 09 0015 UT Electron Event in Progress >=1000pfu @>=2MeV at 8 May 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 08 MAY 98 :Issued: 1998 May 09 0408 UT X-Ray event M7/SF/S15W90 BEG 9 May 1998 03:04 MAX 9 May 1998 03:40 END 9 May 1998 03:55 UT Comment: Event appears to be from departed region 8210 beyond the west limb. :Issued: 1998 May 09 0441 UT 2695MHz Radio Burst 210 F.U. 9 May 1998 03:23 UT Duration 3 Minutes Comment: :Issued: 1998 May 09 0508 UT Type IV Radio Emission 9 May 1998 03:31 UT Comment: Duration 42 min :Issued: 1998 May 10 0042 UT Electron Event in Progress >=1000pfu @>=2MeV at 9 May 1998 23:59 UT Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN 09 MAY 98 :Issued: 1998 May 10 1332 UT 2695MHz Radio Burst 300 F.U. 10 May 1998 13:17 UT Duration 4 Minutes Comment: Derived Background Level is 111 F.U. :Issued: 1998 May 11 0002 UT The following condition CONTINUED at 10 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 66) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 10 MAY 98 :Issued: 1998 May 12 0000 UT The following condition CONTINUED at 11 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 67) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 11 MAY 98 :Issued: 1998 May 12 0000 UT Magnetic K-Index of 4 Observed 11 May 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 12 MAY 98 :Issued: 1998 May 13 0000 UT The following condition CONTINUED at 12 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 68) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 12 MAY 98 :Issued: 1998 May 14 0002 UT The following condition CONTINUED at 13 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 69) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 13 MAY 98 :Issued: 1998 May 15 0000 UT The following condition CONTINUED at 14 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 70) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 14 MAY 98 :Issued: 1998 May 15 1530 UT Sudden Impulse observed at Boulder 15 May 1998 14:53 UT 6 nT Comment: :Issued: 1998 May 16 0017 UT The following condition CONTINUED at 16 May 1998 00:17 UT Electron Event in Progress >=1000pfu @>=2MeV at 9 May 1998 23:59 UT (S/N 111) Comment: Electrons exceeded threshold again on 15 May 1998. :Issued: 1998 May 17 0015 UT The following condition CONTINUED at 16 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 2 May 1998 00:46 UT (S/N 71) Comment: Electrons exceeded threshold again on 16 May 1998. :Issued: 1998 May 17 0300 UT Magnetic K-Index of 4 Observed 17 May 1998 from 00:00 to 03:00 UT Comment: Additional K=4 possible through 1500UT on 17 May. :Issued: 1998 May 18 1640 UT Electron Event >=1000pfu @>=2MeV BEG 18 May 1998 15:29 UT Comment: :Issued: 1998 May 19 1020 UT Type II Radio Emission 19 May 1998 09:53 UT Comment: Shock speed estimated at 1000 km/s :Issued: 1998 May 20 0000 UT The following condition CONTINUED at 19 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 18 May 1998 15:29 UT (S/N 73) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 19 MAY 98 :Issued: 1998 May 21 0000 UT The following condition CONTINUED at 20 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 18 May 1998 15:29 UT (S/N 74) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 20 MAY 98 :Issued: 1998 May 21 0601 UT Magnetic K-Index of 4 Observed 21 May 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL Ks OF 4 POSSIBLE THROUGH 1500 UT ON 21 MAY 98 :Issued: 1998 May 22 0000 UT The following condition CONTINUED at 21 May 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 18 May 1998 15:29 UT (S/N 75) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 21 MAY 98 :Issued: 1998 May 23 0013 UT Electron Event in Progress >=1000pfu @>=2MeV at 18 May 1998 16:40 UT Comment: >2 MeV Electrons exceeded 1000pfu again on 22 May 1998 :Issued: 1998 May 24 0033 UT Electron Event in Progress >=1000pfu @>=2MeV at 18 May 1998 15:29 UT Comment: >2MeV electrons exceeded 1000pfu again on 23 May 1998. :Issued: 1998 May 24 0607 UT Magnetic K-Index of 4 Observed 24 May 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL Ks OF 4 POSSIBLE THROUGH 1500 UT ON 24 MAY :Issued: 1998 May 25 0908 UT Magnetic K-Index of 4 Observed 25 May 1998 from 06:00 to 09:00 UT Comment: ADDITIONAL Ks OF 4 POSSIBLE THROUGH 15:00 UT 25 MAY :Issued: 1998 May 25 1811 UT Magnetic K-Index of 4 Observed 25 May 1998 from 15:00 to 18:00 UT Comment: None :Issued: 1998 May 27 1829 UT 2695MHz Radio Burst 400 F.U. 27 May 1998 13:14 UT Duration 34 Minutes Comment: Derived Background Level is 93__ F.U. :Issued: 1998 May 29 0113 UT Type II Radio Emission 29 May 1998 00:56 UT Comment: ESTIMATED SHOCK SPEED 600 KM/S :Issued: 1998 May 29 0120 UT 2695MHz Radio Burst 140 F.U. 29 May 1998 00:56 UT Duration 2 Minutes Comment: Derived Background Level is __ F.U. :Issued: 1998 May 29 0131 UT X-Ray event M6.7 BEG 29 May 1998 00:51 MAX 29 May 1998 00:59 END 29 May 1998 01:03 UT Comment: None :Issued: 1998 May 29 0159 UT Type IV Radio Emission 29 May 1998 01:10 UT Comment: None :Issued: 1998 May 29 1808 UT Magnetic K-Index of 6 Observed 29 May 1998 from 15:00 to 18:00 UT Comment: Isolated K-indices of 6 are possible thru 30/1200UT May 1998. :Issued: 1998 May 29 2156 UT Magnetic A-Index >=20 Observed 29 May 1998 21:00 UT Comment: None :Issued: 1998 May 30 0909 UT Magnetic A-Index >=30 Observed 30 May 1998 09:00 UT Comment: None :Issued: 1998 May 30 2100 UT The following condition CONTINUED at 30 May 1998 21:00 UT Magnetic A-Index >=20 Observed 29 May 1998 21:00 UT (S/N 34) Comment: None :Issued: 1998 May 30 2100 UT Magnetic A-Index >=30 Observed 30 May 1998 09:00 UT Comment: Magnetic A-Index >=30 ENDED 30 May 1998 18:00 UT :Issued: 1998 May 31 0019 UT Type II Radio Emission 30 May 1998 22:49 UT Comment: ESTIMATED SHOCK SPEED 700KM/SEC :Issued: 1998 May 31 2153 UT Electron Event >=1000pfu @>=2MeV BEG 31 May 1998 19:25 UT Comment: None :Issued: 1998 Jun 02 0026 UT The following condition CONTINUED at 2 Jun 1998 00:26 UT Electron Event >=1000pfu @>=2MeV BEG 31 May 1998 19:25 UT (S/N 77) Comment: None :Issued: 1998 Jun 03 0021 UT Electron Event in Progress >=1000pfu @>=2MeV at 2 Jun 1998 23:59 UT Comment: None :Issued: 1998 Jun 06 1810 UT Magnetic K-Index of 4 Observed 6 Jun 1998 from 15:00 to 18:00 UT Comment: None :Issued: 1998 Jun 07 0600 UT Magnetic K-Index of 4 Observed 7 Jun 1998 from 03:00 to 06:00 UT Comment: Additional K-Index of 4 Possible through 15:00 UT :Issued: 1998 Jun 07 0951 UT Type II Radio Emission 7 Jun 1998 09:12 UT Comment: Duration = 4 minutes, Importance = significant, IPS shock speed = 1200 +/- 200 KM/SEC :Issued: 1998 Jun 08 0912 UT Electron Event >=1000pfu @>=2MeV BEG 8 Jun 1998 08:36 UT Comment: None :Issued: 1998 Jun 09 0029 UT Electron Event in Progress >=1000pfu @>=2MeV at 8 Jun 1998 23:59 UT Comment: Electrons Flux continues at mederate levels above threshold. :Issued: 1998 Jun 10 0017 UT Electron Event in Progress >=1000pfu @>=2MeV at 9 Jun 1998 23:59 UT Comment: Electrons continue to exceed 1000pfu @>= 2MeV :Issued: 1998 Jun 11 0006 UT Magnetic K-Index of 4 Observed 10 Jun 1998 from 21:00 to 24:00 UT Comment: Additional K's of 4 possible thru 11/1500Z :Issued: 1998 Jun 11 0020 UT Electron Event in Progress >=1000pfu @>=2MeV at 10 Jun 1998 23:59 UT Comment: Electrons contioue to exceed 1000pfu @.= 2MeV :Issued: 1998 Jun 11 1058 UT Type II Radio Emission 11 Jun 1998 10:06 UT Comment: ESTIMATED SHOCK VELOCITY IS 700 KM/SEC +/- 200 KM/SEC. :Issued: 1998 Jun 11 1100 UT Type IV Radio Emission 11 Jun 1998 10:18 UT Comment: NONE :Issued: 1998 Jun 12 0605 UT Magnetic K-Index of 4 Observed 12 Jun 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL Ks OF 4 POSSIBLE THROUGH 1200 UT ON 12 JUNE 1998 :Issued: 1998 Jun 13 0647 UT Type IV Radio Emission 13 Jun 1998 04:40 UT Comment: None :Issued: 1998 Jun 14 0605 UT Magnetic K-Index of 5 Observed 14 Jun 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL Ks OF 5 POSSIBLE THROUGH 1200 UT ON 14 JUNE :Issued: 1998 Jun 19 0301 UT Magnetic K-Index of 4 Observed 19 Jun 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1200 UT ON 19 JUN 98 :Issued: 1998 Jun 20 1509 UT Type II Radio Emission 20 Jun 1998 14:22 UT Comment: IPS shock speed 400 +/- 200 :Issued: 1998 Jun 20 1538 UT Type IV Radio Emission 20 Jun 1998 14:45 UT Comment: None :Issued: 1998 Jun 21 0007 UT Magnetic K-Index of 4 Observed 20 Jun 1998 from 21:00 to 24:00 UT Comment: Additional K-index of 4 possible through 21/1200UT June 98. :Issued: 1998 Jun 21 1200 UT Magnetic K-Index of 5 Observed 21 Jun 1998 from 09:00 to 12:00 UT Comment: Additional K-indices of 4 possible through 1200 UT on 22 June. :Issued: 1998 Jun 22 0451 UT Type II Radio Emission 22 Jun 1998 04:36 UT Comment: ESTIMATED SHOCK SPEED 450 KM/S :Issued: 1998 Jun 22 0522 UT Type IV Radio Emission 22 Jun 1998 04:45 UT Comment: None :Issued: 1998 Jun 23 2050 UT Electron Event >=1000pfu @>=2MeV BEG 23 Jun 1998 18:03 UT Comment: None :Issued: 1998 Jun 24 0000 UT Magnetic K-Index of 5 Observed 23 Jun 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1200 UT ON 24 JUN 98 :Issued: 1998 Jun 24 1843 UT Magnetic A-Index >=20 Observed 24 Jun 1998 18:00 UT Comment: None :Issued: 1998 Jun 25 0000 UT Magnetic K-Index of 4 Observed 24 Jun 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1200 UT ON 25 JUN 98 :Issued: 1998 Jun 26 0302 UT Magnetic K-Index of 6 Observed 26 Jun 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 1200 UT ON 26 Jun 98 :Issued: 1998 Jun 26 0555 UT Magnetic A-Index >=20 Observed 26 Jun 1998 06:00 UT Comment: None :Issued: 1998 Jun 26 0556 UT Magnetic K-Index of 6 Observed 26 Jun 1998 from 03:00 to 06:00 UT Comment: None :Issued: 1998 Jun 26 0904 UT Magnetic A-Index >=30 Observed 26 Jun 1998 09:00 UT Comment: None :Issued: 1998 Jun 27 0933 UT Magnetic A-Index >=30 Observed 26 Jun 1998 09:00 UT (S/N 15) Alert Condition ended at 27 Jun 1998 03:00 UT Comment: None :Issued: 1998 Jul 01 1136 UT Type II Radio Emission 1 Jul 1998 10:29 UT Comment: ESTIMATED SHOCK VELOCITY 600 KM/SEC PLUS/MINUS 100 KM/SEC. :Issued: 1998 Jul 01 1920 UT Type II Radio Emission 1 Jul 1998 18:44 UT Comment: SHOCK SPEED 700 +/- 100 KM/SEC :Issued: 1998 Jul 02 0300 UT Magnetic K-Index of 4 Observed 2 Jul 1998 from 00:00 to 03:00 UT Comment: None :Issued: 1998 Jul 03 0234 UT Type IV Radio Emission 3 Jul 1998 01:01 UT Comment: None :Issued: 1998 Jul 03 0300 UT Magnetic K-Index of 4 Observed 3 Jul 1998 from 00:00 to 03:00 UT Comment: None :Issued: 1998 Jul 05 0305 UT Magnetic K-Index of 4 Observed 5 Jul 1998 from 00:00 to 03:00 UT Comment: Additional K-index of 4 possible thru 05/1500UT July 98. :Issued: 1998 Jul 06 0600 UT Magnetic K-Index of 4 Observed 6 Jul 1998 from 03:00 to 06:00 UT Comment: Additional K-Indices of 4 possible through 15:00 UT on 6 July 1998 :Issued: 1998 Jul 09 1803 UT Magnetic K-Index of 4 Observed 9 Jul 1998 from 15:00 to 18:00 UT Comment: None :Issued: 1998 Jul 10 0000 UT Magnetic K-Index of 4 Observed 9 Jul 1998 from 21:00 to 24:00 UT Comment: None :Issued: 1998 Jul 13 1031 UT Type II Radio Emission 13 Jul 1998 09:35 UT Comment: ESTIMATED SHOCK VELOCITY WAS 600 KM/SEC +/- 200 KM/SEC :Issued: 1998 Jul 14 1317 UT 2695MHz Radio Burst 250 F.U. 14 Jul 1998 12:55 UT Duration 6 Minutes Comment: NONE :Issued: 1998 Jul 14 1331 UT Type IV Radio Emission 14 Jul 1998 13:00 UT Comment: None :Issued: 1998 Jul 16 0558 UT Magnetic K-Index of 5 Observed 16 Jul 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL Ks OF 5 POSSIBLE THROUGH 1500 UT ON 16 JUL :Issued: 1998 Jul 16 1500 UT Magnetic A-Index >=20 Observed 16 Jul 1998 15:00 UT Comment: None :Issued: 1998 Jul 16 1800 UT Magnetic K-Index of 4 Observed 16 Jul 1998 from 15:00 to 18:00 UT Comment: Additional K-indices of 4 are possible thru 17/1800UT July 98. :Issued: 1998 Jul 17 1443 UT Electron Event >=1000pfu @>=2MeV BEG 17 Jul 1998 13:49 UT Comment: None :Issued: 1998 Jul 18 1724 UT Type II Radio Emission 18 Jul 1998 17:00 UT Comment: None :Issued: 1998 Jul 19 0000 UT The following condition CONTINUED at 18 Jul 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 17 Jul 1998 13:49 UT (S/N 81) Comment: Electrons exceeded threshold on 18 July 1998. :Issued: 1998 Jul 20 0000 UT The following condition CONTINUED at 19 Jul 1998 23:51 UT Electron Event >=1000pfu @>=2MeV BEG 17 Jul 1998 13:49 UT (S/N 82) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 19 JUL 98 :Issued: 1998 Jul 21 0000 UT The following condition CONTINUED at 20 Jul 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 17 Jul 1998 13:49 UT (S/N 83) Comment: None :Issued: 1998 Jul 22 0001 UT The following condition CONTINUED at 21 Jul 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 17 Jul 1998 13:49 UT (S/N 84) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 21 JUL 98 :Issued: 1998 Jul 23 0000 UT Magnetic K-Index of 4 Observed 22 Jul 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1800 UT ON 23 JUL 98 :Issued: 1998 Jul 23 0600 UT Magnetic K-Index of 5 Observed 23 Jul 1998 from 03:00 to 06:00 UT Comment: Additional Ks of 5 Possible Through 15:00 UT on 23 Jul 1998 :Issued: 1998 Jul 23 0859 UT Magnetic A-Index >=20 Observed 23 Jul 1998 09:00 UT Comment: None :Issued: 1998 Jul 23 2243 UT Electron Event >=1000pfu @>=2MeV BEG 23 Jul 1998 22:40 UT Comment: ELECTRONS EXCEEDED THRESHOLD AT 2240 UT ON 23 JUL 98 :Issued: 1998 Jul 24 0601 UT Magnetic K-Index of 5 Observed 24 Jul 1998 from 03:00 to 06:00 UT Comment: Additional K's of 5 Possible Through 15:00 UT on 24 Jul 1998 :Issued: 1998 Jul 24 0914 UT Magnetic A-Index >=20 Observed 23 Jul 1998 09:00 UT (S/N 39) This condition CONTINUED at 24 Jul 1998 09:14 UT Comment: None :Issued: 1998 Jul 25 0053 UT The following condition CONTINUED at 25 Jul 1998 00:52 UT Electron Event >=1000pfu @>=2MeV BEG 23 Jul 1998 22:40 UT (S/N 86) Comment: None :Issued: 1998 Jul 25 0617 UT Magnetic K-Index of 4 Observed 25 Jul 1998 from 03:00 to 06:00 UT Comment: Additional K's of 4 Possible Through 15:00 UT on 25 Jul 1998 :Issued: 1998 Jul 26 0155 UT The following condition CONTINUED at 26 Jul 1998 01:53 UT Electron Event >=1000pfu @>=2MeV BEG 23 Jul 1998 22:40 UT (S/N 87) Comment: None :Issued: 1998 Jul 27 0000 UT The following condition CONTINUED at 26 Jul 1998 23:59 UT Electron Event >=1000pfu @>=2MeV BEG 23 Jul 1998 22:40 UT (S/N 88) Comment: ELECTRONS EXCEEDED THRESHOLD AGAIN ON 26 JUL 98 :Issued: 1998 Jul 28 0048 UT 245MHz Radio Burst 120 F.U. 27 Jul 1998 03:15 UT Duration 0 Minutes Comment: None :Issued: 1998 Jul 28 0103 UT 245MHz Radio Noise Storm BEG 27 Jul 1998 03:20 END 27 Jul 1998 12:00 :Issued: 1998 Jul 28 0110 UT 245MHz Radio Burst 190 F.U. 27 Jul 1998 06:58 UT Duration 1 Minutes Comment: None :Issued: 1998 Jul 28 0114 UT 245MHz Radio Burst 120 F.U. 27 Jul 1998 07:44 UT Duration 0 Minutes Comment: None :Issued: 1998 Jul 28 1159 UT The following condition CONTINUED at 28 Jul 1998 11:59 UT Electron Event >=1000pfu @>=2MeV BEG 23 Jul 1998 22:40 UT (S/N 89) Comment: None :Issued: 1998 Jul 29 1211 UT The following condition CONTINUED at 28 Jul 1998 11:59 UT (S/N 90) Electron Event >=1000pfu @>=2MeV BEG 23 Jul 1998 22:40 UT ^This condition CONTINUED at 29 Jul 1998 12:00 UT Comment: None :Issued: 1998 Jul 31 0007 UT Magnetic K-Index of 5 Observed 30 Jul 1998 from 21:00 to 24:00 UT Comment: None :Issued: 1998 Jul 31 0007 UT Sudden Impulse observed at Boulder 30 Jul 1998 23:40 UT 37 nT Comment: None :Issued: 1998 Jul 31 0300 UT Magnetic K-Index of 4 Observed 31 Jul 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1200 UT ON 31 JUL 98. :Issued: 1998 Jul 31 0625 UT Type II Radio Emission 31 Jul 1998 05:33 UT Comment: Estimated Shock Velocity was 600 km/sec +/- 100 km/sec. :Issued: 1998 Jul 31 1208 UT Magnetic A-Index >=20 Observed 31 Jul 1998 12:00 UT Comment: None :Issued: 1998 Jul 31 1220 UT Type IV Radio Emission 31 Jul 1998 04:17 UT Comment: None :Issued: 1998 Jul 31 1243 UT Type II Radio Emission 31 Jul 1998 03:38 UT Comment: Estimated Shock Velocity was 600 km/sec +/- 100 km/sec. :Issued: 1998 Jul 31 1805 UT Magnetic K-Index of 4 Observed 31 Jul 1998 from 15:00 to 18:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500UT AUG 1,1998 :Issued: 1998 Aug 01 0700 UT Type II Radio Emission 1 Aug 1998 06:46 UT Comment: Estimated Shock Velocity is 600 km/sec +/- 100 km/sec. :Issued: 1998 Aug 01 0720 UT Type IV Radio Emission 1 Aug 1998 06:59 UT Comment: None :Issued: 1998 Aug 01 1806 UT Magnetic K-Index of 5 Observed 1 Aug 1998 from 15:00 to 18:00 UT Comment: ADDITIONAL K=> 5 POSSIBLE THRU 2400 UT 1 AUG 1998 :Issued: 1998 Aug 06 0602 UT Magnetic K-Index of 4 Observed 6 Aug 1998 from 03:00 to 06:00 UT Comment: Additional Ks of 4 Possible Through 15:00 UT on 06 Aug 98 :Issued: 1998 Aug 06 1157 UT Magnetic A-Index >=20 Observed 6 Aug 1998 12:00 UT Comment: None :Issued: 1998 Aug 06 1157 UT Magnetic K-Index of 6 Observed 6 Aug 1998 from 09:00 to 12:00 UT Comment: Additional Ks of 6 Possible Through 15:00 UT on 06 Aug 1998 :Issued: 1998 Aug 06 1503 UT Magnetic A-Index >=30 Observed 6 Aug 1998 14:59 UT Comment: None :Issued: 1998 Aug 06 1646 UT Type II Radio Emission 6 Aug 1998 16:45 UT Comment: Estimated shock speed 2500 Kps + or - 200 Kps :Issued: 1998 Aug 06 2023 UT Type IV Radio Emission 6 Aug 1998 16:13 UT Comment: None :Issued: 1998 Aug 07 0001 UT Magnetic K-Index of 5 Observed 6 Aug 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 07 AUG 98 :Issued: 1998 Aug 07 1203 UT Magnetic A-Index >=30 Observed 6 Aug 1998 14:59 UT (S/N 17) This condition CONTINUED at 7 Aug 1998 12:00 UT Comment: None :Issued: 1998 Aug 07 1233 UT Type IV Radio Emission 7 Aug 1998 10:56 UT Comment: None :Issued: 1998 Aug 07 1517 UT Type II Radio Emission 7 Aug 1998 14:32 UT Comment: EST. SHOCK SPEED 1000 KM/S +/- 200 (IPS SPEED NOT AVAILABLE). :Issued: 1998 Aug 07 1845 UT Alert Condition ENDED at 7 Aug 1998 12:00 UT This condition CONTINUED at 7 Aug 1998 12:00 UT (S/N 18) Comment: None :Issued: 1998 Aug 08 0342 UT 2695MHz Radio Burst 140 F.U. 8 Aug 1998 03:14 UT Duration 2 Minutes Comment: Derived Background Level is 145__ F.U. :Issued: 1998 Aug 08 0356 UT Type II Radio Emission 8 Aug 1998 03:18 UT Comment: IPS SHOCK SPEED 700KM/SEC EQ /- 100 KM/SEC :Issued: 1998 Aug 08 0604 UT Magnetic K-Index of 4 Observed 8 Aug 1998 from 03:00 to 06:00 UT Comment: Additional K's of 4 Possible Through 15:00 UT on 8 Aug 1998 :Issued: 1998 Aug 09 2119 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 9 Aug 1998 15:05 UT Comment: The e-mail server was down at the time of this Alert. This is being reissued in order to reach e-mail customers. :Issued: 1998 Aug 09 2219 UT Magnetic A-Index GTorEQ 20 Watch for 12 Aug 1998 UT Comment: None :Issued: 1998 Aug 10 0112 UT Sudden Impulse observed at Boulder 10 Aug 1998 00:47 UT 17 nT Comment: None :Issued: 1998 Aug 14 0846 UT 2695MHz Radio Burst 250 F.U. 14 Aug 1998 08:44 UT Duration 3 Minutes Comment: none :Issued: 1998 Aug 14 0900 UT Type II Radio Emission 14 Aug 1998 08:31 UT Comment: IPS shock speed 600 km/sec +/- 200 km/sec :Issued: 1998 Aug 16 2208 UT Type IV Radio Emission 16 Aug 1998 18:00 UT Comment: ENDED AT 1856 UT :Issued: 1998 Aug 16 2208 UT Type II Radio Emission 16 Aug 1998 17:47 UT Comment: ESTIMATED SHOCK SPEED 750 KM/S :Issued: 1998 Aug 17 0719 UT 2695MHz Radio Burst 270 F.U. 17 Aug 1998 06:59 UT Duration 6 Minutes Comment: NONE :Issued: 1998 Aug 17 2137 UT X-Ray event X1// BEG 17 Aug 1998 21:10 MAX 17 Aug 1998 21:20 END 17 Aug 1998 21:30 UT Comment: None :Issued: 1998 Aug 17 2214 UT 2695MHz Radio Burst 290 F.U. 17 Aug 1998 21:23 UT Duration 10 Minutes Comment: Derived Background Level is _136_ F.U. :Issued: 1998 Aug 18 0037 UT Type II Radio Emission 17 Aug 1998 07:10 UT Comment: ESTIMATED SHOCK SPEED 1000 KM/S :Issued: 1998 Aug 18 0853 UT 2695MHz Radio Burst 640 F.U. 18 Aug 1998 08:18 UT Duration 9 Minutes Comment: NONE :Issued: 1998 Aug 18 0853 UT Type IV Radio Emission 18 Aug 1998 08:18 UT Comment: None :Issued: 1998 Aug 18 0934 UT X-Ray event X2.8/N/3368 BEG 18 Aug 1998 08:14 MAX 18 Aug 1998 08:18 END 18 Aug 1998 08:32 UT Comment: None :Issued: 1998 Aug 18 2241 UT X-Ray event X4.9N30E77 BEG 18 Aug 1998 22:10 MAX 18 Aug 1998 22:19 END 18 Aug 1998 22:28 UT Comment: None :Issued: 1998 Aug 18 2241 UT Type II Radio Emission 18 Aug 1998 22:15 UT Comment: ESTIMATED SHOCK SPEED 1900 KM/S :Issued: 1998 Aug 18 2304 UT Type IV Radio Emission 18 Aug 1998 22:18 UT Comment: None :Issued: 1998 Aug 19 0143 UT 2695MHz Radio Burst 2400 F.U. 18 Aug 1998 22:14 UT Duration 137 Minutes Comment: Derived Background Level is 133__ F.U. :Issued: 1998 Aug 19 1500 UT Type II Radio Emission 19 Aug 1998 14:16 UT Comment: 1000 KM/S +/- 200 KM/S :Issued: 1998 Aug 19 2156 UT X-Ray event X3.9 / BEG 19 Aug 1998 21:35 MAX 19 Aug 1998 21:45 END 19 Aug 1998 21:50 UT Comment: None :Issued: 1998 Aug 19 2205 UT Type II Radio Emission 19 Aug 1998 22:45 UT Comment: ESTIMATED SHOCK SPEED 1000 KM/S :Issued: 1998 Aug 19 2211 UT 2695MHz Radio Burst 1300 F.U. 19 Aug 1998 21:40 UT Duration 8 Minutes Comment: Derived Background Level is _135_ F.U. :Issued: 1998 Aug 19 2244 UT Type IV Radio Emission 19 Aug 1998 21:43 UT Comment: None :Issued: 1998 Aug 20 1201 UT Magnetic K-Index of 4 Observed 20 Aug 1998 from 09:00 to 12:00 UT Comment: Additional K EQ 4 possible through 1800 UT on 20 August 1998. :Issued: 1998 Aug 20 1408 UT Type II Radio Emission 20 Aug 1998 12:36 UT Comment: shock speed 1400 km/sec +/- 200 km/sec :Issued: 1998 Aug 22 0026 UT X-Ray event M9.3 BEG 21 Aug 1998 23:57 MAX 22 Aug 1998 00:09 END 22 Aug 1998 00:16 UT Comment: None :Issued: 1998 Aug 22 0257 UT Type IV Radio Emission 22 Aug 1998 00:04 UT Comment: None :Issued: 1998 Aug 22 0900 UT Magnetic K-Index of 4 Observed 22 Aug 1998 from 06:00 to 09:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 22 AUG 98 :Issued: 1998 Aug 22 1200 UT Magnetic K-Index of 5 Observed 22 Aug 1998 from 09:00 to 12:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 1500 UT ON 23 AUG 98 :Issued: 1998 Aug 22 2117 UT Magnetic A-Index GTorEQ 20 Watch for 25 Aug 1998 UT Comment: None :Issued: 1998 Aug 23 0600 UT Magnetic A-Index GTorEQ 20 Observed 23 Aug 1998 06:00 UT Comment: None :Issued: 1998 Aug 23 1008 UT 2695MHz Radio Burst 500 F.U. 23 Aug 1998 09:29 UT Duration 9 Minutes Comment: NONE :Issued: 1998 Aug 23 2152 UT Magnetic A-Index GTorEQ 20 Watch for 24 Aug 1998 UT Comment: None :Issued: 1998 Aug 23 2208 UT Magnetic A-Index GTorEQ 20 Watch for 26 Aug 1998 UT Comment: None :Issued: 1998 Aug 24 1200 UT The following condition was ENDED at 24 Aug 1998 06:00 UT Magnetic A-Index GTorEQ 20 Observed 23 Aug 1998 06:00 UT (S/N 43) Comment: None :Issued: 1998 Aug 24 2225 UT Type II Radio Emission 24 Aug 1998 22:03 UT Comment: SHOCK SPEED 3500 KM/S :Issued: 1998 Aug 24 2241 UT X-Ray event X1/3B/N35E09 BEG 24 Aug 1998 22:05 MAX 24 Aug 1998 22:12 END 24 Aug 1998 22:35 UT Comment: None :Issued: 1998 Aug 24 2241 UT 2695MHz Radio Burst 2200 F.U. 24 Aug 1998 21:57 UT Duration 34 Minutes Comment: Derived Background Level is 121__ F.U. :Issued: 1998 Aug 24 2314 UT Type IV Radio Emission 24 Aug 1998 22:16 UT Comment: None :Issued: 1998 Aug 24 2322 UT Proton Event Warning GTorEQ 10pfu @GTorEQ 10MeV BEG 24 Aug 1998 23:30 UT Comment: None :Issued: 1998 Aug 24 2322 UT Proton Event Expected >1pfu @GTorEQ 100MeV BEG 24 Aug 1998 23:19 UT Comment: None :Issued: 1998 Aug 24 2341 UT Proton Event >1pfu @GTorEQ 100MeV BEG 24 Aug 1998 23:10 UT Comment: 1.07 PFU CURRENT FLUX :Issued: 1998 Aug 25 0013 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 24 Aug 1998 23:55 UT Comment: 14.4 PFU :Issued: 1998 Aug 25 0600 UT Magnetic K-Index of 4 Observed 25 Aug 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 25 AUG. 98 :Issued: 1998 Aug 25 1216 UT The following condition CONTINUED at 25 Aug 1998 12:12 UT Proton Event Expected >1pfu @GTorEQ 100MeV BEG 24 Aug 1998 23:19 UT (S/N 1) Comment: GTorEQ 100 MeV protons are declining slightly from maximum. They are expected to continue to slowly decline. :Issued: 1998 Aug 25 1216 UT Proton Event Warning GTorEQ 10pfu @GTorEQ 10MeV BEG 25 Aug 1998 12:14 UT Comment: GTorEQ 10 MeV protons are declining slightly from maximum. They are expected to continue to slowly decline. :Issued: 1998 Aug 25 1228 UT The following condition CONTINUED at 25 Aug 1998 12:27 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 24 Aug 1998 23:55 UT (S/N 13) Comment: CORRECTION: GTorEQ 10 MeV protons are declining slightly from maximum. They are expected to continue to slowly decline. :Issued: 1998 Aug 25 1228 UT The following condition CONTINUED at 25 Aug 1998 12:25 UT Proton Event >1pfu @GTorEQ 100MeV BEG 24 Aug 1998 23:10 UT (S/N 9) Comment: CORRECTION: GTorEQ 100 MeV protons are declining slightly from maximum. They are expected to continue to slowly decline. :Issued: 1998 Aug 25 1808 UT Magnetic A-Index GTorEQ 50 Watch for 26 Aug 1998 UT Comment: This A-index GTorEQ 50 Watch supercedes the A-index GTorEQ 20 Watch (issued at 2207UT on 23 August) for August 26. :Issued: 1998 Aug 25 1809 UT Magnetic A-Index GTorEQ 50 Watch for 27 Aug 1998 UT Comment: None :Issued: 1998 Aug 26 0705 UT Sudden Impulse observed at Boulder 26 Aug 1998 06:51 UT 75 nT Comment: None :Issued: 1998 Aug 26 0930 UT Magnetic K-Index of 5 Observed 26 Aug 1998 from 06:00 to 09:00 UT Comment: Additional K's of 5 possible through 26 Aug 15:00 UT :Issued: 1998 Aug 26 1221 UT The following condition CONTINUED at 26 Aug 1998 12:19 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 24 Aug 1998 23:55 UT (S/N 14) Comment: The GTorEQ 10 MeV protons are currently at 540 pfu :Issued: 1998 Aug 26 1221 UT The following condition CONTINUED at 26 Aug 1998 12:20 UT Proton Event >1pfu @GTorEQ 100MeV BEG 24 Aug 1998 23:10 UT (S/N 10) Comment: The GTorEQ 100 MeV protons are currently less than 1 pfu :Issued: 1998 Aug 26 1500 UT Magnetic A-Index GTorEQ 20 Observed 26 Aug 1998 15:00 UT Comment: None :Issued: 1998 Aug 26 1800 UT Magnetic K-Index of 4 Observed 26 Aug 1998 from 15:00 to 18:00 UT Comment: Additonal K EQ 4 possible through 0900UT on 27 August. :Issued: 1998 Aug 26 2050 UT The following condition was ENDED at 26 Aug 1998 20:45 UT Proton Event >1pfu @GTorEQ 100MeV BEG 24 Aug 1998 23:10 UT (S/N 11) Comment: This event began at 2310 UT on 24 August, reached a maximum flux of 3.7 pfu's at 0055 UT on 25 August, and ended at 2045 UT on 26 August. :Issued: 1998 Aug 26 2131 UT Magnetic A-Index GTorEQ 20 Watch for 28 Aug 1998 UT Comment: None :Issued: 1998 Aug 27 0000 UT Magnetic A-Index GTorEQ 30 Observed 26 Aug 1998 23:59 UT Comment: None :Issued: 1998 Aug 27 0000 UT Magnetic K-Index of 5 Observed 26 Aug 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 2359 UT ON 27 AUG :Issued: 1998 Aug 27 0300 UT Magnetic K-Index of GTorEQ 7 Observed 27 Aug 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 6 POSSIBLE THRU 2359 UT ON 27 AUG. :Issued: 1998 Aug 27 0604 UT Magnetic A-Index GTorEQ 50 Observed 27 Aug 1998 06:00 UT Comment: None :Issued: 1998 Aug 27 0604 UT Magnetic K-Index of GTorEQ 7 Observed 27 Aug 1998 from 03:00 to 06:00 UT Comment: Additional K's of 6 possible through 2359 UT on 27 Aug :Issued: 1998 Aug 27 1207 UT The following condition CONTINUED at 27 Aug 1998 12:00 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 24 Aug 1998 23:55 UT (S/N 15) Comment: The current proton flux is 26 pfu's. A maximum proton flux of 670 pfu's was reached at 1055 UT on 26 Aug. :Issued: 1998 Aug 27 2032 UT Magnetic A-Index GTorEQ 30 Watch for 28 Aug 1998 UT Comment: This A-index GTorEQ 30 Watch supercedes the A-index GTorEQ 20 Watch (issued at 2131UT on 26 August) for August 28. :Issued: 1998 Aug 27 2136 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT Comment: Current electron flux EQ 1.3e+0003 :Issued: 1998 Aug 28 0301 UT Magnetic K-Index of 4 Observed 28 Aug 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 28 AUG. :Issued: 1998 Aug 28 0604 UT Magnetic K-Index of 5 Observed 28 Aug 1998 from 03:00 to 06:00 UT Comment: Additional K's of 5 are possible through 15:00 UT on 28 Aug. :Issued: 1998 Aug 28 1213 UT The following condition CONTINUED at 28 Aug 1998 12:11 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 24 Aug 1998 23:55 UT (S/N 16) Comment: The current proton flux level is 14 fuu's. A maximum proton flux of 670 pfu's was reached at 1055 UT on 26 Aug. :Issued: 1998 Aug 28 1213 UT The following condition CONTINUED at 28 Aug 1998 12:00 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 94) Comment: None :Issued: 1998 Aug 28 1213 UT The following condition CONTINUED at 28 Aug 1998 12:00 UT Magnetic A-Index GTorEQ 30 Observed 26 Aug 1998 23:59 UT (S/N 21) Comment: This event is being updated for the period 27/1200 UT to 28/1200 UT :Issued: 1998 Aug 28 1520 UT The following condition was ENDED at 28 Aug 1998 09:00 UT Magnetic A-Index GTorEQ 50 Observed 27 Aug 1998 06:00 UT (S/N 6) Comment: None :Issued: 1998 Aug 28 1520 UT The following condition was ENDED at 28 Aug 1998 09:00 UT Magnetic A-Index GTorEQ 30 Observed 26 Aug 1998 23:59 UT (S/N 22) Comment: None :Issued: 1998 Aug 29 0307 UT Magnetic K-Index of 4 Observed 29 Aug 1998 from 00:00 to 03:00 UT Comment: Additional K-index of 4 possible thru 29/1800UT Aug 98. :Issued: 1998 Aug 29 1202 UT The following condition CONTINUED at 29 Aug 1998 12:00 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 24 Aug 1998 23:55 UT (S/N 17) Comment: The current proton flux level is 11 pfu's. A maximum proton flux of 670 pfu's was reached at 1055 UT on 26 Aug. :Issued: 1998 Aug 29 1202 UT The following condition CONTINUED at 29 Aug 1998 12:00 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 95) Comment: None :Issued: 1998 Aug 29 1818 UT The following condition was ENDED at 29 Aug 1998 18:18 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 24 Aug 1998 23:55 UT (S/N 18) Comment: None :Issued: 1998 Aug 30 0602 UT Magnetic K-Index of 4 Observed 30 Aug 1998 from 03:00 to 06:00 UT Comment: Additional K's of 4 possible through 15:00 UT on 30 Aug. :Issued: 1998 Aug 30 1328 UT The following condition CONTINUED at 30 Aug 1998 12:00 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 96) Comment: None :Issued: 1998 Aug 30 1901 UT Type II Radio Emission 30 Aug 1998 18:59 UT Comment: Inferred shock speed of 800 Kps :Issued: 1998 Aug 31 0709 UT Type II Radio Emission 31 Aug 1998 06:34 UT Comment: IPS shock velocity EQ 800 km/s +/- 100 km/s :Issued: 1998 Aug 31 0710 UT Type IV Radio Emission 31 Aug 1998 06:43 UT Comment: None :Issued: 1998 Aug 31 0900 UT Magnetic K-Index of 4 Observed 31 Aug 1998 from 06:00 to 09:00 UT Comment: Additional K's of 4 possible through 15:00 UT on 31 Aug. :Issued: 1998 Aug 31 1204 UT The following condition CONTINUED at 31 Aug 1998 12:00 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 97) Comment: None :Issued: 1998 Aug 31 1731 UT Type II Radio Emission 31 Aug 1998 15:41 UT Comment: Estimated shock speed 1200Kps +/- 200Kps :Issued: 1998 Aug 31 1731 UT Type IV Radio Emission 31 Aug 1998 16:04 UT Comment: None :Issued: 1998 Aug 31 1808 UT Magnetic K-Index of 4 Observed 31 Aug 1998 from 15:00 to 18:00 UT Comment: Additional K's of 4 are possible through 1500ut on 01 Sep. :Issued: 1998 Sep 01 0600 UT Magnetic A-Index GTorEQ 20 Observed 1 Sep 1998 06:00 UT Comment: None :Issued: 1998 Sep 01 1200 UT The following condition CONTINUED at 1 Sep 1998 12:00 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 98) Comment: None :Issued: 1998 Sep 01 1810 UT Magnetic K-Index of 4 Observed 1 Sep 1998 from 15:00 to 18:00 UT Comment: None :Issued: 1998 Sep 02 1200 UT The following condition CONTINUED at 2 Sep 1998 12:00 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 99) Comment: None :Issued: 1998 Sep 03 1206 UT The following condition CONTINUED at 12:00 UT on 3 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 100) Comment: None :Issued: 1998 Sep 03 1437 UT 10cm Radio Burst 170 F.U. 3 Sep 1998 14:13 UT Duration 4 Minutes Comment: Latest Penticton Noon Flux was 163sfu. :Issued: 1998 Sep 03 1441 UT Type IV Radio Emission 3 Sep 1998 14:44 UT Comment: None :Issued: 1998 Sep 03 1617 UT Type IV Radio Emission 3 Sep 1998 14:17 UT Comment: EST. SHOCK SPEED 700 KM/SEC +/- 200 KM/SEC :Issued: 1998 Sep 03 1947 UT The following condition was CANCELLED at 19:41 UT on 3 Sep 1998 Type IV Radio Emission 3 Sep 1998 14:17 UT (S/N 54) Comment: This alert was mistakenly sent out as a type 4 it will be resent correctly as a type 2. :Issued: 1998 Sep 03 1949 UT Type II Radio Emission 3 Sep 1998 14:17 UT Comment: IPS shock velocity EQ 700 +- 200km/s :Issued: 1998 Sep 04 1202 UT The following condition CONTINUED at 12:00 UT on 4 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 101) Comment: None :Issued: 1998 Sep 05 1200 UT The following condition CONTINUED at 12:00 UT on 5 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 102) Comment: None :Issued: 1998 Sep 06 0324 UT 10cm Radio Burst 180 F.U. 6 Sep 1998 03:23 UT Duration 1 Minutes Comment: Latest Penticton Noon Flux was 154sfu. :Issued: 1998 Sep 06 0351 UT 10cm Radio Burst 180 F.U. 6 Sep 1998 02:12 UT Duration 1 Minutes Comment: Latest Penticton Noon Flux was 154sfu. CORRECTION :Issued: 1998 Sep 06 1200 UT The following condition CONTINUED at 12:00 UT on 6 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 103) Comment: None :Issued: 1998 Sep 07 1422 UT The following condition CONTINUED at 12:00 UT on 7 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 104) Comment: None :Issued: 1998 Sep 08 0603 UT Magnetic K-Index of 4 Observed 8 Sep 1998 from 03:00 to 06:00 UT Comment: None :Issued: 1998 Sep 08 1213 UT The following condition CONTINUED at 12:00 UT on 8 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 27 Aug 1998 21:05 UT (S/N 105) Comment: None :Issued: 1998 Sep 09 0506 UT 10cm Radio Burst 200 F.U. 9 Sep 1998 04:57 UT Duration 4 Minutes Comment: Latest Penticton Noon Flux was 154__sfu. :Issued: 1998 Sep 09 0525 UT Type IV Radio Emission 9 Sep 1998 04:45 UT Comment: None :Issued: 1998 Sep 09 0533 UT Type II Radio Emission 9 Sep 1998 05:00 UT Comment: IPS shock velocity EQ 600__ +- 200__km/s :Issued: 1998 Sep 18 1211 UT Magnetic K-Index of 4 Observed 18 Sep 1998 from 09:00 to 12:00 UT Comment: None :Issued: 1998 Sep 18 1501 UT Magnetic K-Index of 4 Observed 18 Sep 1998 from 12:00 to 15:00 UT Comment: Additional K EQ 4 possible through 2100UT on 18 September 1998. :Issued: 1998 Sep 20 0314 UT 10cm Radio Burst 300 F.U. 20 Sep 1998 02:38 UT Duration 26 Minutes Comment: Latest Penticton Noon Flux was __sfu. :Issued: 1998 Sep 20 0342 UT Type IV Radio Emission 20 Sep 1998 02:32 UT Comment: None :Issued: 1998 Sep 23 0828 UT Type II Radio Emission 23 Sep 1998 06:56 UT Comment: IPS shock velocity EQ 1600 +- 100km/s :Issued: 1998 Sep 23 0828 UT 10cm Radio Burst 1100 F.U. 23 Sep 1998 06:45 UT Duration 62 Minutes Comment: Latest Penticton Noon Flux was 141sfu. :Issued: 1998 Sep 23 0900 UT X-Ray event M6.9/3B/N18E09 BEG 23 Sep 1998 06:40 MAX 23 Sep 1998 07:13 END 23 Sep 1998 07:32 UT Comment: None :Issued: 1998 Sep 23 1106 UT Type IV Radio Emission 23 Sep 1998 06:56 UT Comment: Type IV observed by Learmonth and ended at 23/1002 UT at SS. :Issued: 1998 Sep 23 1829 UT Magnetic A-Index GTorEQ 20 Watch for 24 Sep 1998 UT Comment: None :Issued: 1998 Sep 23 1829 UT Magnetic A-Index GTorEQ 30 Watch for 25 Sep 1998 UT Comment: None :Issued: 1998 Sep 23 2156 UT Magnetic A-Index GTorEQ 20 Watch for 26 Sep 1998 UT Comment: None :Issued: 1998 Sep 24 0604 UT Magnetic K-Index of 4 Observed 24 Sep 1998 from 03:00 to 06:00 UT Comment: Additional K's of 4 possible through 1500 UT on 24 Sep 98. :Issued: 1998 Sep 25 0002 UT Magnetic K-Index of 4 Observed 24 Sep 1998 from 21:00 to 24:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 1500 UT ON 26 SEP 98 :Issued: 1998 Sep 25 0028 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 25 Sep 1998 00:10 UT Comment: None :Issued: 1998 Sep 25 0301 UT Magnetic A-Index GTorEQ 20 Observed 25 Sep 1998 03:00 UT Comment: None :Issued: 1998 Sep 25 0301 UT Magnetic K-Index of 6 Observed 25 Sep 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 6 POSSIBLE THRU 1200 UT ON 25 SEP ADDITIONAL K'S OF 5 POSSIBLE THRU 1500 UT ON 26 SEP :Issued: 1998 Sep 25 0610 UT Magnetic A-Index GTorEQ 30 Observed 25 Sep 1998 06:00 UT Comment: None :Issued: 1998 Sep 25 0610 UT The following condition ENDED at 06:07 UT on 25 Sep 1998 Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 25 Sep 1998 00:10 UT (S/N 19) Comment: The event began at 0010 UT on 25 Sep, reached a maximum flux of 44 pfu's at 0130 UT on 25 Sep and ended at 0230 UT on 25 Sep. :Issued: 1998 Sep 25 1202 UT Magnetic K-Index of 6 Observed 25 Sep 1998 from 09:00 to 12:00 UT Comment: Actual K-Index for the period 09:00 to 12:00 UT was Seven (7). :Issued: 1998 Sep 25 1529 UT Magnetic A-Index GTorEQ 30 Watch for 26 Sep 1998 UT Comment: None :Issued: 1998 Sep 25 1630 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 25 Sep 1998 16:05 UT Comment: None :Issued: 1998 Sep 26 1203 UT The following condition ENDED at 06:00 UT on 26 Sep 1998 Magnetic A-Index GTorEQ 30 Watch for 26 Sep 1998 UT (S/N 6) Comment: None :Issued: 1998 Sep 26 1203 UT The following condition ENDED at 06:00 UT on 26 Sep 1998 Magnetic A-Index GTorEQ 50 Observed 25 Sep 1998 09:00 UT (S/N 7) Comment: None :Issued: 1998 Sep 26 1807 UT Magnetic K-Index of 4 Observed 26 Sep 1998 from 15:00 to 18:00 UT Comment: None :Issued: 1998 Sep 27 0828 UT 10cm Radio Burst 410 F.U. 27 Sep 1998 08:08 UT Duration 4 Minutes Comment: Latest Penticton Noon Flux was 136 sfu. :Issued: 1998 Sep 27 1207 UT The following condition CONTINUED at 12:00 UT on 27 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 25 Sep 1998 16:05 UT (S/N 106) Comment: None :Issued: 1998 Sep 28 0732 UT Type II Radio Emission 28 Sep 1998 07:04 UT Comment: IPS shock velocity EQ 700 +- 100km/s :Issued: 1998 Sep 28 0732 UT Type IV Radio Emission 28 Sep 1998 06:52 UT Comment: None :Issued: 1998 Sep 28 1200 UT The following condition CONTINUED at 12:00 UT on 28 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 25 Sep 1998 16:05 UT (S/N 106) Comment: None :Issued: 1998 Sep 29 1200 UT The following condition CONTINUED at 12:00 UT on 29 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 25 Sep 1998 16:05 UT (S/N 106) Comment: None :Issued: 1998 Sep 30 1200 UT The following condition CONTINUED at 12:00 UT on 30 Sep 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 25 Sep 1998 16:05 UT (S/N 106) Comment: None :Issued: 1998 Sep 30 1423 UT Type II Radio Emission 30 Sep 1998 13:22 UT Comment: IPS shock velocity EQ 1200km/s :Issued: 1998 Sep 30 1429 UT Type IV Radio Emission 30 Sep 1998 13:35 UT Comment: None :Issued: 1998 Sep 30 1429 UT 10cm Radio Burst 490 F.U. 30 Sep 1998 14:05 UT Duration 53 Minutes Comment: Latest Penticton Noon Flux was 116sfu. :Issued: 1998 Sep 30 1432 UT Proton Event Warning GTorEQ 10pfu @GTorEQ 10MeV BEG 30 Sep 1998 16:31 UT Comment: None :Issued: 1998 Sep 30 1436 UT Proton Event Expected >1pfu @GTorEQ 100MeV BEG 30 Sep 1998 15:36 UT Comment: None :Issued: 1998 Sep 30 1500 UT Proton Event >1pfu @GTorEQ 100MeV BEG 30 Sep 1998 14:40 UT Comment: CURRENT PROTON LEVEL 1.3PFU :Issued: 1998 Sep 30 1538 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 30 Sep 1998 15:25 UT Comment: None :Issued: 1998 Oct 01 0039 UT Sudden Impulse observed at Boulder 1 Oct 1998 00:00 UT 40 nT Comment: None :Issued: 1998 Oct 01 0302 UT Magnetic K-Index of 5 Observed 1 Oct 1998 from 00:00 to 03:00 UT Comment: None :Issued: 1998 Oct 01 0900 UT Magnetic K-Index of 4 Observed 1 Oct 1998 from 06:00 to 09:00 UT Comment: Additional K EQ 4 possible through 1500 UT on 1 Oct. :Issued: 1998 Oct 01 1200 UT The following condition CONTINUED at 12:00 UT on 1 Oct 1998 Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 30 Sep 1998 15:25 UT (S/N 19) Comment: The current proton flux level is 140 pfu's. A maximum proton flux of 1200 pfu's was reached at 0025 UT on 01 Oct. :Issued: 1998 Oct 01 1200 UT The following condition CONTINUED at 12:00 UT on 1 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 25 Sep 1998 16:05 UT (S/N 106) Comment: None :Issued: 1998 Oct 01 1851 UT The following condition ENDED at 22:35 UT on 30 Sep 1998 Proton Event >1pfu @GTorEQ 100MeV BEG 30 Sep 1998 14:40 UT (S/N 12) Comment: The event reached a maximum flux of03pfu's at 1920UT on 30 SEP. 98. :Issued: 1998 Oct 02 0607 UT Magnetic K-Index of 4 Observed 2 Oct 1998 from 03:00 to 06:00 UT Comment: Additional K EQ 4 possible through 1200 UT on 2 Oct. :Issued: 1998 Oct 02 0752 UT Sudden Impulse observed at Boulder 2 Oct 1998 07:25 UT 32 nT Comment: None :Issued: 1998 Oct 02 1200 UT The following condition ENDED at 08:30 UT on 2 Oct 1998 Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 30 Sep 1998 15:25 UT (S/N 19) Comment: The event reached a maximum flux of 1200 pfu's at 0025 UT on 01 Oct. :Issued: 1998 Oct 02 1513 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT Comment: None :Issued: 1998 Oct 02 1630 UT Magnetic A-Index GTorEQ 20 Watch for 3 Oct 1998 UT Comment: None :Issued: 1998 Oct 03 0301 UT Magnetic K-Index of 5 Observed 3 Oct 1998 from 00:00 to 03:00 UT Comment: None :Issued: 1998 Oct 03 0301 UT Magnetic A-Index GTorEQ 20 Observed 3 Oct 1998 03:00 UT Comment: None :Issued: 1998 Oct 03 0610 UT Magnetic K-Index of 4 Observed 3 Oct 1998 from 03:00 to 06:00 UT Comment: Additional K's of 4 possible through 12:00 UT on 03 Oct. :Issued: 1998 Oct 03 1226 UT The following condition CONTINUED at 12:00 UT on 3 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 04 1202 UT The following condition CONTINUED at 12:00 UT on 4 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 05 1200 UT The following condition CONTINUED at 12:00 UT on 5 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 06 1200 UT The following condition CONTINUED at 12:00 UT on 6 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 07 1209 UT The following condition CONTINUED at 12:00 UT on 7 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 07 1509 UT Magnetic K-Index of 4 Observed 7 Oct 1998 from 12:00 to 15:00 UT Comment: Additional K EQ 4 possible through 07/0000UT Oct 1998. :Issued: 1998 Oct 07 1805 UT Magnetic K-Index of 5 Observed 7 Oct 1998 from 15:00 to 18:00 UT Comment: None :Issued: 1998 Oct 08 0000 UT Magnetic A-Index GTorEQ 20 Observed 7 Oct 1998 23:59 UT Comment: None :Issued: 1998 Oct 08 0300 UT Magnetic K-Index of 4 Observed 8 Oct 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K EQ 4 POSSIBLE THRU 1800 UT ON 08 OCT. 98 :Issued: 1998 Oct 08 0906 UT Type II Radio Emission 8 Oct 1998 08:40 UT Comment: Shock Velocity EQ 600 km/sec :Issued: 1998 Oct 08 1313 UT The following condition CONTINUED at 12:00 UT on 8 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 09 0601 UT Magnetic K-Index of 4 Observed 9 Oct 1998 from 03:00 to 06:00 UT Comment: Additional K's of 4 are possible through 15:00 UT on 09 Oct. :Issued: 1998 Oct 09 1201 UT The following condition CONTINUED at 12:00 UT on 9 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 10 0556 UT Magnetic K-Index of 4 Observed 10 Oct 1998 from 03:00 to 06:00 UT Comment: Additional K's of 4 are possible through 15:00 UT on 10 Oct. :Issued: 1998 Oct 10 1201 UT The following condition CONTINUED at 12:00 UT on 10 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 11 1209 UT The following condition CONTINUED at 12:00 UT on 11 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 12 1200 UT The following condition CONTINUED at 12:00 UT on 12 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 13 1200 UT The following condition CONTINUED at 12:00 UT on 13 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 14 1201 UT The following condition CONTINUED at 12:00 UT on 14 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 15 1214 UT The following condition CONTINUED at 12:00 UT on 15 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 16 1201 UT The following condition CONTINUED at 12:00 UT on 16 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 2 Oct 1998 14:55 UT (S/N 106) Comment: None :Issued: 1998 Oct 16 2107 UT Magnetic A-Index GTorEQ 20 Watch for 19 Oct 1998 UT Comment: None :Issued: 1998 Oct 19 0036 UT Type II Radio Emission 18 Oct 1998 21:12 UT Comment: IPS shock velocity EQ 850 km/s :Issued: 1998 Oct 19 0304 UT Magnetic K-Index of 5 Observed 19 Oct 1998 from 00:00 to 03:00 UT Comment: Additional K's of 5 possible through 24:00 UT on 19 Oct 98. :Issued: 1998 Oct 19 0600 UT Magnetic A-Index GTorEQ 20 Observed 19 Oct 1998 06:00 UT Comment: Mag storm conditions began on Oct 19 at 0300 UT :Issued: 1998 Oct 19 1500 UT Magnetic A-Index GTorEQ 30 Observed 19 Oct 1998 15:00 UT Comment: None :Issued: 1998 Oct 20 0900 UT The following condition ENDED at 03:00 UT on 20 Oct 1998 Magnetic A-Index GTorEQ 30 Observed 19 Oct 1998 15:00 UT (S/N 23) Comment: None :Issued: 1998 Oct 20 2100 UT Magnetic K-Index of 4 Observed 20 Oct 1998 from 18:00 to 21:00 UT Comment: None :Issued: 1998 Oct 20 2348 UT Type II Radio Emission 20 Oct 1998 23:20 UT Comment: IPS shock velocity EQ 1100 km/s :Issued: 1998 Oct 21 0259 UT Magnetic K-Index of 4 Observed 21 Oct 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF FOUR POSSIBLE THRU 2400 HRS UT 21 OCT 98 :Issued: 1998 Oct 21 0822 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 21 Oct 1998 08:05 UT Comment: None :Issued: 1998 Oct 21 1204 UT Magnetic A-Index GTorEQ 20 Observed 21 Oct 1998 12:00 UT Comment: None :Issued: 1998 Oct 21 1557 UT Type IV Radio Emission 20 Oct 1998 20:27 UT Comment: None :Issued: 1998 Oct 22 0904 UT Magnetic K-Index of 4 Observed 22 Oct 1998 from 06:00 to 09:00 UT Comment: Additional K's of 4 possible through 2400 UT on 22 Oct 1998. :Issued: 1998 Oct 22 1343 UT The following condition CONTINUED at 12:00 UT on 22 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 21 Oct 1998 08:05 UT (S/N 106) Comment: None :Issued: 1998 Oct 23 1202 UT The following condition CONTINUED at 12:00 UT on 23 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 21 Oct 1998 08:05 UT (S/N 106) Comment: None :Issued: 1998 Oct 23 1806 UT Magnetic K-Index of 4 Observed 23 Oct 1998 from 15:00 to 18:00 UT Comment: Additional K EQ 4 possible through 0600UT on 25 Oct 1998. :Issued: 1998 Oct 23 1821 UT Magnetic K-Index of 4 Observed 23 Oct 1998 from 15:00 to 18:00 UT Comment: Additional K EQ 4 possible through 0600UT on 24 Oct 1998. Corrected to read 24 Oct instead of 25 Oct. :Issued: 1998 Oct 24 0915 UT Magnetic K-Index of 4 Observed 24 Oct 1998 from 06:00 to 09:00 UT Comment: None :Issued: 1998 Oct 24 1202 UT The following condition CONTINUED at 12:00 UT on 24 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 21 Oct 1998 08:05 UT (S/N 106) Comment: None :Issued: 1998 Oct 25 0602 UT Magnetic K-Index of 5 Observed 25 Oct 1998 from 03:00 to 06:00 UT Comment: Additional K's of 4 possible through 15:00 UT on 25 Oct :Issued: 1998 Oct 25 1201 UT The following condition CONTINUED at 12:00 UT on 25 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 21 Oct 1998 08:05 UT (S/N 106) Comment: None :Issued: 1998 Oct 26 1203 UT The following condition CONTINUED at 12:00 UT on 26 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 21 Oct 1998 08:05 UT (S/N 106) Comment: None :Issued: 1998 Oct 27 1201 UT The following condition CONTINUED at 12:00 UT on 27 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 21 Oct 1998 08:05 UT (S/N 106) Comment: None :Issued: 1998 Oct 28 1205 UT The following condition CONTINUED at 12:00 UT on 28 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 21 Oct 1998 08:05 UT (S/N 106) Comment: None :Issued: 1998 Oct 29 1451 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 29 Oct 1998 14:20 UT Comment: None :Issued: 1998 Oct 30 1202 UT The following condition CONTINUED at 12:00 UT on 30 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 29 Oct 1998 14:20 UT (S/N 106) Comment: None :Issued: 1998 Oct 31 1201 UT The following condition CONTINUED at 12:00 UT on 31 Oct 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 29 Oct 1998 14:20 UT (S/N 106) Comment: None :Issued: 1998 Nov 01 1201 UT The following condition CONTINUED at 12:00 UT on 1 Nov 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 29 Oct 1998 14:20 UT (S/N 106) Comment: None :Issued: 1998 Nov 02 1201 UT The following condition CONTINUED at 12:00 UT on 2 Nov 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 29 Oct 1998 14:20 UT (S/N 106) Comment: None :Issued: 1998 Nov 02 1426 UT 10cm Radio Burst 140 F.U. 2 Nov 1998 13:57 UT Duration 18 Minutes Comment: Latest Penticton Noon Flux was 121 sfu. :Issued: 1998 Nov 03 1201 UT The following condition CONTINUED at 12:00 UT on 3 Nov 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 29 Oct 1998 14:20 UT (S/N 106) Comment: None :Issued: 1998 Nov 04 1756 UT Magnetic A-Index GTorEQ 20 Watch for 5 Nov 1998 UT Comment: None :Issued: 1998 Nov 04 1805 UT Magnetic A-Index GTorEQ 20 Watch for 6 Nov 1998 UT Comment: None :Issued: 1998 Nov 05 1645 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 5 Nov 1998 15:30 UT Comment: None :Issued: 1998 Nov 05 2027 UT X-Ray event M8/2B/N18W21 BEG 5 Nov 1998 19:00 MAX 5 Nov 1998 19:55 END 5 Nov 1998 20:12 UT Comment: None :Issued: 1998 Nov 05 2110 UT 10cm Radio Burst 400 F.U. 5 Nov 1998 19:41 UT Duration 14 Minutes Comment: Latest Penticton Noon Flux was153sfu. :Issued: 1998 Nov 05 2112 UT Type II Radio Emission 5 Nov 1998 19:51 UT Comment: IPS shock velocity EQ 900 +-500km/s :Issued: 1998 Nov 05 2141 UT Magnetic A-Index GTorEQ 30 Watch for 8 Nov 1998 UT Comment: None :Issued: 1998 Nov 06 0902 UT Magnetic K-Index of 5 Observed 6 Nov 1998 from 06:00 to 09:00 UT Comment: Additional K's of 4 Possible Through 0900 UT on 06 Nov :Issued: 1998 Nov 06 2043 UT Magnetic A-Index GTorEQ 20 Watch for 9 Nov 1998 UT Comment: None :Issued: 1998 Nov 07 0000 UT Magnetic A-Index GTorEQ 20 Observed 7 Nov 1998 00:00 UT Comment: None :Issued: 1998 Nov 07 0018 UT Type II Radio Emission 6 Nov 1998 21:11 UT Comment: IPS shock velocity EQ 1100 +/- 40km/s :Issued: 1998 Nov 07 0020 UT Type II Radio Emission 6 Nov 1998 23:39 UT Comment: IPS shock velocity EQ 800 km/s :Issued: 1998 Nov 07 1504 UT Magnetic K-Index of 4 Observed 7 Nov 1998 from 12:00 to 15:00 UT Comment: Additional K's of 4 possible thru 0000Z on 10 Nov :Issued: 1998 Nov 07 1809 UT Magnetic K-Index of 5 Observed 7 Nov 1998 from 15:00 to 18:00 UT Comment: ADDITIONAL K's OF 5 POSSIBLE THRU 0600Z ON 9 NOV :Issued: 1998 Nov 07 2206 UT Magnetic A-Index GTorEQ 20 Watch for 10 Nov 1998 UT Comment: None :Issued: 1998 Nov 08 0300 UT Magnetic A-Index GTorEQ 20 Observed 8 Nov 1998 03:00 UT Comment: None :Issued: 1998 Nov 08 0314 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 8 Nov 1998 02:45 UT Comment: None :Issued: 1998 Nov 08 0601 UT Magnetic A-Index GTorEQ 30 Observed 8 Nov 1998 06:00 UT Comment: None :Issued: 1998 Nov 08 0601 UT Magnetic K-Index of GTorEQ 6 Observed 8 Nov 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL K'S OF 6 POSSIBLE THRU 0600 UT ON 09 NOV 98 :Issued: 1998 Nov 08 0902 UT Magnetic K-Index of GTorEQ 6 Observed 8 Nov 1998 from 06:00 to 09:00 UT Comment: Observed K for the period was 7. Additional K's of 6 are possible through 06:00 UT on 09 Nov. :Issued: 1998 Nov 08 1204 UT The following condition was CANCELLED at 12:00 UT on 8 Nov 1998 Proton Event Warning GTorEQ 10pfu @GTorEQ 10MeV BEG 30 Sep 1998 16:31 UT (S/N :Issued: 1998 Nov 08 1204 UT Magnetic A-Index GTorEQ 50 Observed 8 Nov 1998 12:00 UT Comment: None :Issued: 1998 Nov 09 0901 UT Magnetic K-Index of GTorEQ 6 Observed 9 Nov 1998 from 06:00 to 09:00 UT Comment: Observed K-index for this period was 6. Additional K's of 6 are possible through 2100 UT on 09 November. :Issued: 1998 Nov 09 1038 UT Magnetic A-Index GTorEQ 30 Watch for 9 Nov 1998 UT Comment: This AGTorEQ 30 watch supercedes the AGTorEQ 20 watch that was previously issued for 09 November. :Issued: 1998 Nov 09 1201 UT The following condition CONTINUED at 12:00 UT on 9 Nov 1998 Magnetic A-Index GTorEQ 30 Observed 8 Nov 1998 06:00 UT (S/N 23) Comment: None :Issued: 1998 Nov 10 1201 UT The following condition ENDED at 15:00 UT on 8 Nov 1998 Magnetic A-Index GTorEQ 50 Observed 8 Nov 1998 12:00 UT (S/N 7) Comment: None :Issued: 1998 Nov 10 1201 UT The following condition ENDED at 06:00 UT on 10 Nov 1998 Magnetic A-Index GTorEQ 30 Observed 8 Nov 1998 06:00 UT (S/N 23) Comment: None :Issued: 1998 Nov 11 1653 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 11 Nov 1998 16:40 UT Comment: 2 MeV EQ 1000pfu :Issued: 1998 Nov 12 1156 UT The following condition CONTINUED at 12:00 UT on 12 Nov 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 11 Nov 1998 16:40 UT (S/N 106) Comment: None :Issued: 1998 Nov 13 0300 UT Magnetic K-Index of 5 Observed 13 Nov 1998 from 00:00 to 03:00 UT Comment: ADDITIONAL K'S OF 5 POSSIBLE THRU 1500 UT ON 13 NOV. 98 :Issued: 1998 Nov 13 0901 UT Magnetic K-Index of GTorEQ 6 Observed 13 Nov 1998 from 06:00 to 09:00 UT Comment: Additional Ks of 6 Possible through 15:00 UT on 13 Nov 98 :Issued: 1998 Nov 13 0907 UT Magnetic A-Index GTorEQ 20 Observed 13 Nov 1998 09:00 UT Comment: None :Issued: 1998 Nov 13 1203 UT The following condition CONTINUED at 12:00 UT on 13 Nov 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 11 Nov 1998 16:40 UT (S/N 106) Comment: None :Issued: 1998 Nov 13 1451 UT Magnetic A-Index GTorEQ 30 Observed 13 Nov 1998 15:00 UT Comment: None :Issued: 1998 Nov 13 1801 UT Magnetic K-Index of 5 Observed 13 Nov 1998 from 15:00 to 18:00 UT Comment: Additional K EQ 5 possible through 0300UT on 14 November. :Issued: 1998 Nov 14 0604 UT Magnetic K-Index of 5 Observed 14 Nov 1998 from 03:00 to 06:00 UT Comment: ADDITIONAL K'S OF 5 ARE POSSIBLE THROUGH 1500UT ON 14 NOV :Issued: 1998 Nov 14 0721 UT Type IV Radio Emission 14 Nov 1998 05:01 UT Comment: None :Issued: 1998 Nov 14 0815 UT Proton Event >1pfu @GTorEQ 100MeV BEG 14 Nov 1998 07:55 UT Comment: None :Issued: 1998 Nov 14 0824 UT Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 14 Nov 1998 08:10 UT Comment: None :Issued: 1998 Nov 14 1209 UT The following condition CONTINUED at 12:00 UT on 14 Nov 1998 Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 14 Nov 1998 08:10 UT (S/N 19) Comment: The current proton flux level is 240pfu's. A maximum proton flux of 260pfu's was reached at 1145UT on 14 Nov. :Issued: 1998 Nov 14 1209 UT The following condition CONTINUED at 12:00 UT on 14 Nov 1998 Proton Event >1pfu @GTorEQ 100MeV BEG 14 Nov 1998 07:55 UT (S/N 12) Comment: The current proton flux level is 4.8pfu's. A maximum proton flux of 6.1pfu's was reached at 0950UT on 14 Nov. :Issued: 1998 Nov 14 1801 UT Magnetic K-Index of 4 Observed 14 Nov 1998 from 15:00 to 18:00 UT Comment: ADDITIONAL K'S OF 4 POSSIBLE THRU 0300 UT ON 15 NOV 98 :Issued: 1998 Nov 15 0036 UT The following condition ENDED at 18:00 UT on 14 Nov 1998 Magnetic A-Index GTorEQ 30 Observed 13 Nov 1998 15:00 UT (S/N 23) Comment: None :Issued: 1998 Nov 15 0623 UT The following condition ENDED at 16:45 UT on 15 Nov 1998 Proton Event >1pfu @GTorEQ 100MeV BEG 14 Nov 1998 07:55 UT (S/N 12) Comment: The event reached a maximum flux of __pfu's at ____UT on _____. :Issued: 1998 Nov 15 1207 UT The following condition CONTINUED at 12:00 UT on 15 Nov 1998 Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 14 Nov 1998 08:10 UT (S/N 19) Comment: The current proton flux level is 35 pfu's. A maximum proton flux of 310 pfu's was reached at 1245 UT on 14 Nov. :Issued: 1998 Nov 16 1201 UT The following condition CONTINUED at 12:00 UT on 16 Nov 1998 Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 14 Nov 1998 08:10 UT (S/N 19) Comment: The current proton flux level is 8 pfu's. A maximum proton flux of 310 pfu's was reached at 1245 UT on 14 Nov. :Issued: 1998 Nov 16 1917 UT The following condition ENDED at 09:55 UT on 16 Nov 1998 Proton Event GTorEQ 10pfu @GTorEQ 10MeV BEG 14 Nov 1998 08:10 UT (S/N 19) Comment: The event reached a maximum flux of 300 pfu's at 1245 UT on 14 Nov. :Issued: 1998 Nov 16 2310 UT Type II Radio Emission 16 Nov 1998 21:58 UT Comment: IPS shock velocity EQ __ +- __km/s NO VELOCITY AVAILABLE AT THIS TIME :Issued: 1998 Nov 17 1616 UT Magnetic A-Index GTorEQ 20 Watch for 18 Nov 1998 UT Comment: None :Issued: 1998 Nov 17 1617 UT Magnetic A-Index GTorEQ 20 Watch for 19 Nov 1998 UT Comment: None :Issued: 1998 Nov 17 1744 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 17 Nov 1998 15:10 UT Comment: None :Issued: 1998 Nov 18 1201 UT The following condition CONTINUED at 12:00 UT on 18 Nov 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 17 Nov 1998 15:10 UT (S/N 106) Comment: None :Issued: 1998 Nov 20 0040 UT Type II Radio Emission 20 Nov 1998 00:39 UT Comment: IPS shock velocity EQ 600__ +- _200_km/s :Issued: 1998 Nov 22 0702 UT X-Ray event X3/1N/S27W82 BEG 22 Nov 1998 06:30 MAX 22 Nov 1998 06:42 END 22 Nov 1998 06:49 UT Comment: None :Issued: 1998 Nov 22 0751 UT Proton Event Warning GTorEQ 10pfu @GTorEQ 10MeV BEG 22 Nov 1998 12:00 UT Comment: Current flux is .3 pfu. :Issued: 1998 Nov 22 0751 UT Proton Event Expected >1pfu @GTorEQ 100MeV BEG 22 Nov 1998 11:00 UT Comment: Current flux is .1 pfu. :Issued: 1998 Nov 22 0800 UT Type IV Radio Emission 22 Nov 1998 06:59 UT Comment: None :Issued: 1998 Nov 22 0800 UT 10cm Radio Burst 340 F.U. 22 Nov 1998 06:36 UT Duration 8 Minutes Comment: Latest Penticton Noon Flux was 121sfu. :Issued: 1998 Nov 22 0800 UT Type II Radio Emission 22 Nov 1998 06:42 UT Comment: Shock velocity EQ 700 :Issued: 1998 Nov 22 1205 UT The following condition was CANCELLED at 12:04 UT on 22 Nov 1998 Proton Event Expected >1pfu @GTorEQ 100MeV BEG 22 Nov 1998 11:00 UT (S/N 2) Comment: None :Issued: 1998 Nov 22 1453 UT The following condition was CANCELLED at 15:00 UT on 22 Nov 1998 Proton Event Warning GTorEQ 10pfu @GTorEQ 10MeV BEG 22 Nov 1998 12:00 UT (S/N :Issued: 1998 Nov 22 1641 UT X-Ray event X2.5 BEG 22 Nov 1998 16:10 MAX 22 Nov 1998 16:23 END 22 Nov 1998 16:32 UT Comment: None :Issued: 1998 Nov 23 0708 UT X-Ray event X2/0F/S28W89 BEG 23 Nov 1998 06:28 MAX 23 Nov 1998 06:44 END 23 Nov 1998 06:58 UT Comment: None :Issued: 1998 Nov 23 0708 UT 10cm Radio Burst 130 F.U. 23 Nov 1998 06:34 UT Duration 5 Minutes Comment: Latest Penticton Noon Flux was 126 sfu. :Issued: 1998 Nov 23 0725 UT Type IV Radio Emission 23 Nov 1998 06:59 UT Comment: None :Issued: 1998 Nov 23 1241 UT Type II Radio Emission 23 Nov 1998 11:04 UT Comment: IPS shock velocity EQ 1400 km/s :Issued: 1998 Nov 23 1241 UT Type IV Radio Emission 23 Nov 1998 11:17 UT Comment: None :Issued: 1998 Nov 23 1241 UT 10cm Radio Burst 210 F.U. 23 Nov 1998 12:06 UT Duration 24 Minutes Comment: Latest Penticton Noon Flux was 126 sfu. :Issued: 1998 Nov 23 1248 UT 10cm Radio Burst 340 F.U. 23 Nov 1998 10:57 UT Duration 67 Minutes Comment: Latest Penticton Noon Flux was 126 sfu. :Issued: 1998 Nov 24 0238 UT X-Ray event X1 BEG 24 Nov 1998 02:19 MAX 24 Nov 1998 02:20 END 24 Nov 1998 02:35 UT Comment: None :Issued: 1998 Nov 24 0253 UT 10cm Radio Burst 470 F.U. 24 Nov 1998 02:08 UT Duration 14 Minutes Comment: Latest Penticton Noon Flux was 130__sfu. :Issued: 1998 Nov 24 0309 UT Type II Radio Emission 24 Nov 1998 02:17 UT Comment: IPS shock velocity EQ 400_ +- __km/s :Issued: 1998 Nov 24 2104 UT Magnetic K-Index of 4 Observed 24 Nov 1998 from 18:00 to 21:00 UT Comment: None :Issued: 1998 Nov 24 2253 UT Type II Radio Emission 24 Nov 1998 22:16 UT Comment: IPS shock velocity EQ 600__ +- __km/s :Issued: 1998 Nov 25 1449 UT Type II Radio Emission 25 Nov 1998 14:08 UT Comment: IPS shock velocity EQ 1000 km/s :Issued: 1998 Nov 26 1201 UT Magnetic K-Index of 4 Observed 26 Nov 1998 from 09:00 to 12:00 UT Comment: Additional K EQ 4 possible through 1800 UT on 26 Nov. :Issued: 1998 Nov 26 1500 UT Stratwarm Alert Exists Stratwarm Thursday Comment: None :Issued: 1998 Nov 27 0806 UT Type II Radio Emission 27 Nov 1998 07:32 UT Comment: IPS shock velocity EQ 700 KM/S :Issued: 1998 Nov 27 0815 UT 10cm Radio Burst 390 F.U. 27 Nov 1998 07:31 UT Duration 13 Minutes Comment: Latest Penticton Noon Flux was 152 sfu. :Issued: 1998 Nov 27 1802 UT The following condition CONTINUED at 18:01 UT on 27 Nov 1998 Stratwarm Alert Exists Stratwarm Thursday (S/N 71) Comment: Stratwarm Alert continues Friday November 27. :Issued: 1998 Nov 28 0625 UT X-Ray event X3.3/3N/N19E32 BEG 28 Nov 1998 04:54 MAX 28 Nov 1998 05:52 END 28 Nov 1998 06:13 UT Comment: None :Issued: 1998 Nov 28 0644 UT Type II Radio Emission 28 Nov 1998 05:54 UT Comment: IPS shock velocity EQ 700 :Issued: 1998 Nov 28 0704 UT Type IV Radio Emission 28 Nov 1998 06:24 UT Comment: None :Issued: 1998 Nov 28 0753 UT 10cm Radio Burst 3600 F.U. 28 Nov 1998 05:31 UT Duration 116 Minutes Comment: Latest Penticton Noon Flux was 159 sfu. :Issued: 1998 Nov 28 1101 UT Type IV Radio Emission 28 Nov 1998 07:12 UT Comment: None :Issued: 1998 Nov 28 1837 UT The following condition CONTINUED at 18:36 UT on 28 Nov 1998 Stratwarm Alert Exists Stratwarm Thursday (S/N 71) Comment: Stratwarm Alert continues Saturday November 28. :Issued: 1998 Nov 30 0528 UT Sudden Impulse observed at Boulder 30 Nov 1998 05:12 UT 12 nT Comment: None :Issued: 1998 Nov 30 2110 UT Magnetic K-Index of 4 Observed 30 Nov 1998 from 18:00 to 21:00 UT Comment: None :Issued: 1998 Dec 01 1825 UT 10cm Radio Burst 200 F.U. 1 Dec 1998 18:06 UT Duration 4 Minutes Comment: Latest Penticton Noon Flux was 163sfu. :Issued: 1998 Dec 01 1251 UT Magnetic A-Index GTorEQ 30 Warning valid from 1 Dec 1998 13:00 to 15:00 UT Comment: None :Issued: 1998 Dec 01 1254 UT The following condition was CANCELLED at 12:54 UT on 1 Dec 1998 Magnetic A-Index GTorEQ 30 Warning valid from 1 Dec 1998 13:00 to 15:00 UT (S/N 9) Comment: None :Issued: 1998 Dec 01 1256 UT Magnetic A-Index GTorEQ 50 Warning valid from 1 Dec 1998 13:00 to 15:00 UT Comment: None :Issued: 1998 Dec 01 1304 UT The following condition was CANCELLED at 12:57 UT on 1 Dec 1998 Magnetic A-Index GTorEQ 50 Warning valid from 1 Dec 1998 13:00 to 15:00 UT (S/N 1) Comment: None :Issued: 1998 Dec 05 1507 UT Magnetic K-Index of 4 Observed 5 Dec 1998 from 12:00 to 15:00 UT Comment: None :Issued: 1998 Dec 05 1546 UT Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 5 Dec 1998 15:15 UT Comment: None :Issued: 1998 Dec 06 1200 UT The following condition CONTINUED at 12:00 UT on 6 Dec 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 5 Dec 1998 15:15 UT (S/N 106) Comment: None :Issued: 1998 Dec 06 1315 UT Stratwarm Alert Exists Stratwarm Sunday Comment: AN INTENSE WARMING EXISTS OVER EAST ASIA,LEADING TO A TEMPE- RATURE INCREASE OF MORE THAN 35 DGS C DURING A WEEK NORTH OF THE SEA OF OKHOTSK AT 10HPA.WARM AIR SPREADING NORTHEAST- WARD. AT THE SAME TIME THERE IS A STRONG AND COLD VORTEX OVER THE EUROPEAN/WESTSIBERIAN ARCTIC. :Issued: 1998 Dec 07 1200 UT The following condition CONTINUED at 12:00 UT on 7 Dec 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 5 Dec 1998 15:15 UT (S/N 106) Comment: None :Issued: 1998 Dec 07 1344 UT The following condition CONTINUED at 13:41 UT on 7 Dec 1998 Stratwarm Alert Exists Stratwarm Sunday (S/N 71) Comment: THE INTENSE WARMING, CENTRED OVER NORTHEAST SIBERIA TODAY, CONTINUES,WARM AIR SPREADING NORTHEASTWARDS.THE SECOND WARM REGION OVER MONGOLIA EXTENDING NORTHWEST-AND WEST- WARDS. FU BERLIN :Issued: 1998 Dec 08 1200 UT The following condition CONTINUED at 12:00 UT on 8 Dec 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 5 Dec 1998 15:15 UT (S/N 106) Comment: None :Issued: 1998 Dec 08 1218 UT The following condition CONTINUED at 12:16 UT on 8 Dec 1998 Stratwarm Alert Exists Stratwarm Sunday (S/N 71) Comment: THE WARMING OVER NORTHEAST SIBERIA CONTINUES, THE SECOND WARMING OVER MONGOLIA INTENSIFIES, TODAY. :Issued: 1998 Dec 09 1200 UT The following condition CONTINUED at 12:00 UT on 9 Dec 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 5 Dec 1998 15:15 UT (S/N 106) Comment: None :Issued: 1998 Dec 09 1239 UT Stratwarm Alert Exists Stratwarm Wednesday Comment: THE WARMING OVER NORTHEAST SIBERIA WEAKENING, BUT THE WARMING OVER MONGOLIA, SOUTH AND SOUTHEAST SIBERIA CON- TINS TO INTENSIFY. WARM AIR SPREADING NORTHEASTWARDS. :Issued: 1998 Dec 10 1203 UT The following condition CONTINUED at 12:00 UT on 10 Dec 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 5 Dec 1998 15:15 UT (S/N 106) Comment: None :Issued: 1998 Dec 10 1323 UT Stratwarm Alert Exists Stratwarm Thursday Comment: AN INTENSE WARMING CONTINUES OVER EAST SIBERIA AND MONGOLIA. :Issued: 1998 Dec 11 0300 UT Magnetic K-Index of 4 Observed 11 Dec 1998 from 00:00 to 03:00 UT Comment: None :Issued: 1998 Dec 11 0902 UT Magnetic K-Index of 4 Observed 11 Dec 1998 from 06:00 to 09:00 UT Comment: Additional Ks of 4 possible through 1500 UT on 11 Dec 98 :Issued: 1998 Dec 11 1200 UT The following condition CONTINUED at 12:00 UT on 11 Dec 1998 Electron Event GTorEQ 1000pfu @GTorEQ 2MeV BEG 5 Dec 1998 15:15 UT (S/N 106) Comment: None :Issued: 1998 Dec 11 1811 UT Magnetic K-Index of 4 Observed 11 Dec 1998 from 15:00 to 18:00 UT Comment: Additional K EQ 4 possible through 2400UT on 11 Dec 1998. :Issued: 1998 Dec 11 2040 UT Magnetic A-Index GTorEQ 20 Observed 11 Dec 1998 18:00 UT Comment: None :Issued: 1998 Dec 12 1217 UT Stratwarm Alert Exists Stratwarm Saturday Comment: A STRONG WARMING CONTINUES OVER SIBERIA IN THE UPPER AND MIDDLE STRATOSPHERE AND A CANADIAN WARMING PERSISTS IN THE LOWER STRATOSPHERE. :Issued: 1998 Dec 13 1207 UT Stratwarm Alert Exists Stratwarm Sunday Comment: A STRONG WARMING CONTINUES OVER SIBERIA IN THE UPPER AND MIDDLE STRATOSPHERE AND A CANADIAN WARMING PERSISTS IN THE LOWER STRATOSPHERE. :Issued: 1998 Dec 14 1318 UT Stratwarm Alert EXISTS Stratwarm Monday Comment: A STRONG WARMING CONTINUES OVER SIBERIA IN THE UPPER AND MIDDLE STRATOSPHERE,AND A CANADIAN WARMING PERSISTS IN THE LOWER STRATOSPHERE. :Issued: 1998 Dec 15 1324 UT Stratwarm Alert Exists Stratwarm Tuesday Comment: STRATWARM ALERT/TUESDAY/STRATWARM EXISTS. THE STRONG WARMING CONTINUES OVER SIBERIA AND EXPANDS OVER POLAR REGION AND CANADIAN ARCTIC IN THE UPPER AND MIDDLE STRATOSPHERE. THE CANADIAN WARMING PERSISTS IN THE LOWER STRATOSPHERE. :Issued: 1998 Dec 16 1248 UT Stratwarm Alert Exists Stratwarm Wednesday Comment: A VERY STRONG WARMING CONTINUES OVER SIBERIA, ALASKA AND THE SIBERIAN/CANADIAN ARCTIC. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 50HPA AND ABOVE UNTIL THE UPPER- MOST STRATOSPHERIC LEVELS. MEAN ZONAL WIND AT 60N DECREASING. :Issued: 1998 Dec 17 0802 UT 10cm Radio Burst 230 F.U. 17 Dec 1998 07:42 UT Duration 4 Minutes Comment: Latest Penticton Noon Flux was 141sfu. :Issued: 1998 Dec 17 0815 UT Type II Radio Emission 17 Dec 1998 07:50 UT Comment: Estimated shock velocity EQ 500 km/s :Issued: 1998 Dec 17 1315 UT Stratwarm Alert Exists Stratwarm Thursday Comment: STRATWARM ALERT/THURSDAY/STRATWARM EXISTS. MAJOR WARMING EXISTS. A STRONG ANTICYCLONE AND A VERY INTENSE WARMING OVER THE SI- BERIAN/CANADIAN ARCTIC DOMINATE THE POLAR REGION AND DISPLA- CE THE VORTEX CENTRE TO THE CENTRAL URAL AREA. MEAN ZONAL WIND AT 60N IS FROM EAST AT 10HPA AND ABOVE IN THE UPPER STRATOSPHERE AND THE TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE IN THE WHOLE STRATOSPHERE. :Issued: 1998 Dec 17 1453 UT Type II Radio Emission 17 Dec 1998 14:20 UT Comment: Estimated shock velocity EQ 600 km/s :Issued: 1998 Dec 18 1411 UT Stratwarm Alert Exists Stratwarm Friday Comment: STRATWARM ALERT/FRIDAY/STRATWARM EXISTS. MAJOR WARMING EXISTS. THE STRONG ANTICYCLONE OVER THE CANADIAN ARCTIC MOVES NORTHWARDS. VERY INTENSE WARMING OVER THE POLAR REGION CONTINUES. TODAY, THE WARM AIR COVERS THE EUROPEAN ARCTIC TOO, THEREFORE THE COLD REGION IS DISPLACED SOUTH OF 50 N OVER NORTH ATLANTIC AND EUROPE. THE MAIN VORTEX EXISTS OVER SOUTHERN URAL AREA AND A WEAKER SECOND VORTEX EXISTS OVER NEWFOUNDLAND. MEAN ZONAL WIND AT 60N IS FROM EAST AT 10 HPA AND ABOVE IN THE UPPER STRATOSPHERE AND TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE IN THE WHOLE STRATOSPHERE. :Issued: 1998 Dec 18 1734 UT X-Ray event M8.0/2B/N21E69 BEG 18 Dec 1998 17:13 MAX 18 Dec 1998 17:22 END 18 Dec 1998 17:27 UT Comment: REGION 8415 :Issued: 1998 Dec 18 1819 UT Type II Radio Emission 18 Dec 1998 17:27 UT Comment: Estimated shock velocity EQ 1200km/s :Issued: 1998 Dec 18 1845 UT 10cm Radio Burst 880 F.U. 18 Dec 1998 17:17 UT Duration 68 Minutes Comment: Latest Penticton Noon Flux was 146sfu. :Issued: 1998 Dec 19 1448 UT Stratwarm Alert Exists Stratwarm Saturday Comment: GEO981219 STRATWARM ALERT/SATURDAY/STRATWARM EXISTS. MAJOR WARMING EXISTS. THE STRONG ANTICYCLONE OVER CANADIAN ARCTIC CONTINUES. THE INTENSE WARMING OVER POLAR REGION SLIGHTLY WEAKENING. THE MAIN VORTEX DISPLACED OVER SOUTHERN URAL AREA AND THE SECOND WEAKER VORTEX EXISTS OVER LABRADOR, TODAY. MEAN ZONAL WIND AT 60 N IS FROM EAST ( 15 M/S ) AT 10 HPA AND ABOVE IN THE UPPER STRATOSPHERE AND TEMPERATURE GRADIENT REVERSED BETWEEN 60 N AND THE POLE IN THE WHOLE STRATOSPHERE BELOW 2 HPA. FU BERLIN :Issued: 1998 Dec 19 2022 UT Magnetic A-Index GTorEQ 20 Watch for 22 Dec 1998 UT Comment: None :Issued: 1998 Dec 20 1359 UT Stratwarm Alert Exists Stratwarm Sunday Comment: STRATWARM ALERT/SUNDAY/STRATWARM EXISTS. MAJOR WARMING EXISTS. THE MAIN ANTICYCLONE IS LOCATED OVER NORWEGIAN SEA AND A SECOND ANTICYCLONE OVER ALASKA, TODAY, THE INTENSE WARMING OVER SIBERIAN ARCTIC FURTHER SLIGHTLY WEAKENING. THE TWO CENTRES OF THE VORTEX ARE OVER WESTERN SIBERIA AND OVER HUDSON BAY. MEAN ZONAL WIND AT 60 N IS FURTHER FROM EAST AT 10 HPA AND ABOVE IN THE UPPER STRATOSPHERE. TEMPERATURE GRADIENT REVERSED BETWEEN 60 N AND THE POLE IN THE WHOLE STRATOSPHERE BELOW THE UPPERMOST LEVEL. :Issued: 1998 Dec 21 1250 UT Stratwarm Alert EXISTS Stratwarm Monday Comment: STRATWARM ALERT/MONDAY/STRATWARM EXISTS. MAJOR WARMING EXISTS. THE MAIN ANTICYCLONE IS LOCATED OVER NORWEGIAN SEA AND THE SECOND OVER BERING SEA. THE WARM AIR MOVES SOUTHWARDS TO BARENTS SEA AND CENTRAL SIBERIAN PLATEAU, FURTHER SLIGHTLY WEAKENING. THE TWO CENTRES OF THE VORTEX EXIST OVER SIBERIA AND HUDSON BAY, TODAY. MEAN ZONAL WIND AT 60 N IS FURTHER FROM EAST AT 10 HPA. TEMPERATURE GRADIENT REVERSED BETWEEN 60 N AND THE POLE IN THE LOWER AND MIDDLE STRATOSPHERE. :Issued: 1998 Dec 22 1344 UT Stratwarm Alert EXISTS Stratwarm Tuesday Comment: STRATWARM ALERT/TUESDAY/STRATWARM EXISTS. THE INTENSE WARMING,CENTRED OVER NORTH SIBERIA AND THE ADJA- CENT ARCTIC CONTINUOUSLY WEAKENING. THE ANTICYCLONE BETWEEN GREENLAND AND NORWAY WEAKENING TOO. MEAN ZONAL WIND AT 60N IS NO LONGER FROM EAST AND THE TEMPE- RATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE ONLY STILL IN TE MIDDLE STRATOSPHERE. END OF THIS GEOALERT. :Issued: 1998 Dec 23 0730 UT Type IV Radio Emission 23 Dec 1998 06:33 UT Comment: None :Issued: 1998 Dec 23 0730 UT Type II Radio Emission 23 Dec 1998 06:15 UT Comment: Estimated shock velocity EQ 850 km/s :Issued: 1998 Dec 26 0858 UT Magnetic K-Index of 4 Observed 26 Dec 1998 from 06:00 to 09:00 UT Comment: None :Issued: 1998 Dec 26 1322 UT Magnetic K-Index of 4 Warning valid from 26 Dec 1998 13:00 to 21:00 UT Comment: None :Issued: 1998 Dec 26 1340 UT Magnetic K-Index of 5 Warning valid from 26 Dec 1998 13:00 to 21:00 UT Comment: None :Issued: 1998 Dec 26 1344 UT Magnetic A-Index GTorEQ 20 Watch for 26 Dec 1998 UT Comment: None :Issued: 1998 Dec 26 1508 UT Magnetic K-Index of 5 Observed 26 Dec 1998 from 12:00 to 15:00 UT Comment: K EQ 5 Warning in effect, valid from 1300 through 2100 UT. :Issued: 1998 Dec 28 0610 UT 10cm Radio Burst 330 F.U. 28 Dec 1998 05:15 UT Duration 10 Minutes Comment: Latest Penticton Noon Flux was 167sfu.