SPC WW 101259
MNZ000-NDZ000-SDZ000-101800-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 675
NWS STORM PREDICTION CENTER NORMAN OK
800 AM CDT THU JUL 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN AND CENTRAL MINNESOTA
SOUTHEAST NORTH DAKOTA
EASTERN SOUTH DAKOTA
EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 800 AM UNTIL
100 PM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTH OF
DETROIT LAKES MINNESOTA TO 15 MILES EAST SOUTHEAST OF BROOKINGS
SOUTH DAKOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
DISCUSSION...SCTD SLIGHTLY ELEVATED SUSTAINED STORMS/POSSIBLE
SUPERCELLS...MAY PERSIST THROUGH ABOUT MIDDAY. THESE MAY POSE A
THREAT FOR LARGE HAIL AND POSSIBLY DMGG WIND...GIVEN 12Z RAOB AND
VWP DATA AND EXPECTED INCREASE IN 925-850 MB MOISTURE. IF STORMS
ARE ABLE TO DEVELOP A COHERENT COLD POOL...NOT CERTAIN ATTM...WIND
THREAT MAY INCREASE FARTHER SE INTO MN LATER THIS MORNING.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 30030.
...CORFIDI
WWUS20 KWNS 101707
SEL6
SPC WW 101707
IAZ000-MNZ000-WIZ000-102300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 676
NWS STORM PREDICTION CENTER NORMAN OK
1210 PM CDT THU JUL 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST IOWA
CENTRAL AND SOUTHEAST MINNESOTA
WEST CENTRAL AND SOUTHWEST WISCONSIN
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 1210 PM UNTIL
600 PM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTHWEST
OF MANKATO MINNESOTA TO 45 MILES EAST OF LA CROSSE WISCONSIN.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 675...
DISCUSSION...COMPLEX OF THUNDERSTORMS WILL LIKELY INCREASE AS AIR
MASS DESTABILIZES ACROSS THE REGION...AND TRACK SEWD ALONG WELL
DEFINED SURFACE FRONT/INSTABILITY AXIS INTO WRN WI THROUGH THE
AFTERNOON. DAMAGING WINDS WILL BE LIKELY WITH THE MORE INTENSE
CORES AND POSSIBLY BECOME MORE WIDESPREAD AS ACTIVITY EVOLVES ALONG
A COMMON OUTFLOW. ISOLATED LARGE HAIL IS ADDITIONAL HAZARD.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 30030.
...EVANS
WWUS20 KWNS 101821
SEL7
SPC WW 101821
IAZ000-ILZ000-INZ000-WIZ000-LMZ000-110300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 677
NWS STORM PREDICTION CENTER NORMAN OK
120 PM CDT THU JUL 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN IOWA
NORTHERN ILLINOIS
FAR NORTHWEST INDIANA
SOUTHERN WISCONSIN
LAKE MICHIGAN
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 120 PM UNTIL
1000 PM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES NORTHWEST
OF CEDAR RAPIDS IOWA TO 15 MILES SOUTHEAST OF RACINE WISCONSIN.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU7).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 676...
DISCUSSION...COMPLEX SCENARIO UNFOLDING ACROSS THE REGION THIS
AFTERNOON WITH A SLOW MOVING MID LEVEL TROUGH SHIFTING EWD AND
SUSTAINING INTENSE STORMS OVER ERN IA/SRN WI/NRN IL. ADDITIONAL
THREAT WILL POSSIBLY DEVELOP SEWD ACROSS THE NRN MS RIVER VALLEY
LATER TODAY. AIR MASS CONTINUES TO DESTABILIZE OVER THE REGION WITH
30-40 KT EFFECTIVE SHEAR SUSTAINING THREATS OF SUPERCELLS AND MORE
ORGANIZED LINES/CLUSTERS. DAMAGING WINDS AND LARGE HAIL CAN BE
EXPECTED WITH THE STRONGER STORMS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27025.
...EVANS
WWUS20 KWNS 102051
SEL8
SPC WW 102051
NDZ000-110300-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 678
NWS STORM PREDICTION CENTER NORMAN OK
350 PM CDT THU JUL 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN AND CENTRAL NORTH DAKOTA
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
1000 PM CDT.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 65 MILES SOUTHEAST OF BISMARCK
NORTH DAKOTA TO 50 MILES NORTH NORTHWEST OF MINOT NORTH DAKOTA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU8).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 676...WW 677...
DISCUSSION...THUNDERSTORMS ARE EXPECTED TO DEVELOP AND INTENSIFY
ACROSS WRN INTO CENTRAL ND THIS EVENING AS AIR MASS BECOMES
MODERATELY UNSTABLE AND WEAKLY CAPPED. SHEAR WILL BE QUITE STRONG
AND SUPPORT SUPERCELLS AND POSSIBLE TORNADOES AS STORMS MATURE.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 26025.
...EVANS
WWUS20 KWNS 102153
SEL9
SPC WW 102153
AZZ000-CAZ000-NVZ000-110500-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 679
NWS STORM PREDICTION CENTER NORMAN OK
250 PM PDT THU JUL 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
A LARGE PART OF WESTERN ARIZONA
PARTS OF SOUTHEASTERN CALIFORNIA
SMALL PART OF SOUTHERN NEVADA
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 250 PM UNTIL
1000 PM PDT.
HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTH
NORTHWEST OF KINGMAN ARIZONA TO 40 MILES EAST OF YUMA ARIZONA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 676...WW 677...WW 678...
DISCUSSION...SUBSTANTIAL INCREASE IN LOW LEVEL MOISTURE/INSTABILITY
HAS SPREAD NWD INTO EXTREME SRN NV FROM THE G OF C. THUNDERSTORMS
OVER HIGHER TERRAIN OF NWRN AZ WILL PROPAGATE W/SW INTO DESERT
VALLEYS WITH AN INCREASING THREAT OF DAMAGING WINDS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 07020.
...HALES
WWUS20 KWNS 110037
SEL0
SPC WW 110037
MNZ000-NDZ000-SDZ000-110700-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 680
NWS STORM PREDICTION CENTER NORMAN OK
740 PM CDT THU JUL 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF WESTERN MINNESOTA
PARTS OF SOUTHEASTERN NORTH DAKOTA
PARTS OF NORTHERN SOUTH DAKOTA
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 740 PM
UNTIL 200 AM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHEAST OF
FARGO NORTH DAKOTA TO 45 MILES SOUTH SOUTHWEST OF ABERDEEN SOUTH
DAKOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 677...WW 678...WW 679...
DISCUSSION...SUPERCELLS OVER CENTRAL ND WILL CONTINUE DEVELOPING
E/SE INTO A VERY MOIST AND UNSTABLE AIR MASS. WITH DEEP LAYER SHEAR
REMAINING FAVORABLE FOR SUPERCELLS...THE THREAT FOR TORNADOES AND
VERY LARGE HAIL/WIND DAMAGE WILL CONTINUE AFTER DARK.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 28030.
...HALES
WWUS20 KWNS 110412
SEL1
SPC WW 110412
MNZ000-NDZ000-111200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 681
NWS STORM PREDICTION CENTER NORMAN OK
1015 PM CST THU JUL 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
PARTS OF NORTHWEST MINNESOTA
MUCH OF NORTHERN NORTH DAKOTA
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1015 PM
UNTIL 600 AM CST.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 70 MILES WEST OF
MINOT NORTH DAKOTA TO 55 MILES SOUTHEAST OF WARROAD MINNESOTA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
TORNADO WATCH NUMBER 678. WATCH NUMBER 678 WILL NOT BE IN EFFECT
AFTER 1015 PM CST. CONTINUE...WW 679...WW 680...
DISCUSSION...SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP AND SPREAD
EWD ACROSS THE WATCH AREA OVERNIGHT WITH THE APPROACH OF
UNSEASONABLY STRONG UPPER TROUGH AND SURFACE LOW. WITH THE
AVAILABLE MOIST AND MDTLY UNSTABLE AIR...AND VEERING SHEAR
PROFILES.,.SUPERCELLS AND POSSIBLE ENHANCING THE THREAT FOR DAMAGING
WINDS AND LARGE HAIL.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 27035.
...HALES
WWUS20 KWNS 110439
SEL2
SPC WW 110439
MNZ000-WIZ000-111000-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 682
NWS STORM PREDICTION CENTER NORMAN OK
1140 PM CDT THU JUL 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
LARGE PART OF CENTRAL AND SOUTHERN MINNESOTA
SMALL PART OF WESTERN WISCONSIN
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1140 PM
UNTIL 500 AM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES EITHER SIDE OF A LINE FROM 30 MILES SOUTHWEST OF
ALEXANDRIA MINNESOTA TO 60 MILES NORTHEAST OF ROCHESTER
MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 679...WW 680...WW 681...
DISCUSSION...THUNDERSTORMS INCREASING IN INTENSITY ACROSS WRN MN IN
RESPONSE TO THE INSTABILITY AND SHEAR THAT IS AVAILABLE ACROSS SRN
MN INTO WI. DAMAGING WINDS WILL BECOME INCREASING THREAT AS STORMS
CONTINUE E/SEWD AND DEVELOP INTO SHORT LINE SEGMENTS/BOWS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 28030.
...HALES