Site log - Kwaj (November 1999) Flags: 1-Satellite coincidence data 2-Scan in TSDIS data A-Major problem (moderate to strong AP > 25 dBZ &/or widespread coverage > 10%) B-Minor problem (weak AP &/or very little coverage) ******************************************************************************* VR mask (V1) and cluttermap applied to all November 1999 data ZCAL adjustment +5.0 dBZ applied to all November 1999 data ******************************************************************************* 01 Nov 99: Widespread convection and rain are present throughout the entire day. Several convective clusters and lines move over the radar location. Data Analyzed: 0003-2353Z Satellite Coincidence: 0758Z(251 km), 1743Z(85 km) Overpass: 1743Z(85 km): Widespread rain and convection are present mainly in the southern and western regions. QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ****************************************************************************** 02 Nov 99: Widespread rain and convection throughout the entire day. Many large convective clusters pass through the scope. Data Analyzed: 0003-2353Z Satellite Coincidence: 0645Z(411 km), 1630Z(725 km) QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ****************************************************************************** 03 Nov 99: Numerous showers and convective lines mainly in the southern half of the scope after 13Z. Data Analyzed: 0003-2353Z Satellite Coincidence: 0709Z(438 km), 1654Z(105 km) Overpass: 1654Z(105 km): Scattered showers and convection in the southern half of the scope. QC notes: QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ****************************************************************************** 04 Nov 99: Numerous showers and thin convective lines are present throughout the day. A large convective event occurs in the southern fringes of the scope after 17Z. Data Analyzed: 0003-2353Z Satellite Coincidence: 0557Z(215 km), 1541Z(541 km) QC notes: QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ****************************************************************************** 05 Nov 99: Widespread rain and convection is present throughout most of the day. Data Analyzed: 0003-2353Z Satellite Coincidence: 0621Z(627 km), 1605Z(306 km) QC notes: QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ****************************************************************************** 06 Nov 99: Numerous to widespread rain and convection are present throughout the entire day. Data Analyzed: 0003-2353Z Satellite Coincidence: 0508Z(17 km), 1453Z(353Z) Overpass: 0508Z(17 km): Convective line and cluster present to NW of radar at this overpass time. QC notes: QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ****************************************************************************** 07 Nov 99: Widspread rain with some convective elements are present mainly in the northern half of the scope from 00-08Z. Only scattered activity is present for the remainder of the day. Data Analyzed: 0003-2353Z Satellite Overpass: 0356Z(692 km), 1516Z(499 km) QC notes: QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. 2A !!FLAG!! Major clutter pattern from Atoll 1043-1353Z UF files moved to "bad_files" directory No point in attempting additional QC ****************************************************************************** 08 Nov 99: Mainly scattered showers and convection throughout a good portion of the day. Increased activity in the southern half of the scope from 08-14Z. Only isolated showers and small cells from 15-23Z. Data Analyzed: 0003-2353Z Satellite Coincidence: 0419Z(172 km), 1404Z(163 km) QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ****************************************************************************** 09 Nov 99: Scattered showers and convection are present throughout the entire day. No large scale systems. Data Analyzed: 0003-2353Z Satellite Coincidence: 03:07:42.273 490.639km 14:28:39.100 703.249km QC notes: QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. Odd radial spike pattern occurs at the following times: 0243Z; - corrected 2A !!FLAG!! 0433Z;0813Z;0903Z;1533Z;1953Z;2323Z All moved to bad_files directory ****************************************************************************** 10 Nov 99: Scattered showers and convection are present throughout the day. After 09Z, precip increases in coverage and intensity and continues through the 23Z hour. Data Analyzed: 0003-2353Z Satellite Coincidence: 03:31:30.550 364.727km 13:16:06.166 29.041 Overpass: 1316Z(29 km): Convection present in the southern half of the scope. QC notes: QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. 1A,2A !!FLAG!! 0343Z;0503Z;0843Z;1043Z;1113Z;1303Z;1413Z;1554Z; Radial clutter pattern to NW - these files cannot be corrected without removing precip All affected files moved to bad_files directory. ****************************************************************************** 11 Nov 99: Mainly scattered showers and small convective cells dominate. However, after 19Z, activity increases in coverage and intensity in the southern half of the scope. Data Analyzed: 0003-2353Z Satellite Coincidence: 02:19:04.746 293.281km 12:03:47.800 614.593km QC notes: QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. 2A !!FLAG!! 0453Z;0653Z;1613Z;1903Z;2053Z;2133Z;2203Z Radial clutter pattern to NW - these files cannot be corrected without removing precip All affected files moved to bad_files directory. ****************************************************************************** 12 Nov 99: Scattered convection is present through most of the day. Data Analyzed: 0003-2353Z Satellite Coincidence: 02:43:04.630 554.148km 12:27:42.650 227.679km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. 1A,2A !!FLAG!! 0253Z;0413Z; Radial clutter pattern to NW - these files cannot be corrected without removing precip All affected files moved to bad_files directory. ***************************************************************************** 13 Nov 99: Scattered showers and small convective cells from 00-14Z. Only isolated showers through the 23Z hour. Data Analyzed: 0003-2353Z Satellite Coincidence: 01:30:31.473 96.364km 11:15:05.316 430.161km Overpass: 0130Z(96 km): Small patch of very light echo. QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 14 Nov 99: Occassional scattered to isolated showers and small convective cells are present throughout the entire day. Data Analyzed: 0003-2353Z Satellite Coincidence: 01:54:21.603 735.794km 11:39:03.070 424.164km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 15 Nov 99: Mainly isolated showers and small convective cells until after 15Z when echo increases in coverage and intensity in the southern half of the scope. Data Anlayzed: 0003-2353Z Satellite Coincidence: 00:41:59.386 98.585km 10:26:39.736 238.479km 23:29:29.636 570.685km Overpass: 0041Z(98 km): No echo QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 16 Nov 99: Scattered to occassionally widespread showers and convection throughout the day. Data Analyzed: 0003-2353Z Satellite Coincidence: 10:50:19.926 621.337km 23:53:16.140 288.203km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 17 Nov 99: Scattered/isolated showers and small convective cells are present throughout most of the day. Data Anlayzed: 0003-1953Z 2113-2353Z Satellite Coincidence: 09:38:02.983 46.514km 22:41:01.176 370.213km Overpass: 0938Z(46km): scattered showers QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 18 Nov 99: Scattered showers and convection initially. A large convective event occurs in the 2nd half of the day. Data Analyzed: 0003-2353Z Satellite Coincidence: 08:25:39.896 686.936km 23:04:51.556 479.279km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 19 Nov 99: Widespread rain with embedded convection from 00-05Z. Activity diminishes and pushes out of range during the 04Z hour. Only isolated small showers through the 23Z hour. Data Analyzed: 0003-2353Z Satellite Coincidence: 08:49:26.430 147.991km 21:52:18.706 174.845km Overpass: 0849Z(147 km): No echo QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 20 Nov 99: Scattered showers and small convective cells persist throughout the entire day. No organized systems. Data Analyzed: 0003-2353Z Satellite Coincidence: 07:37:05.116 502.200km 22:16:24.676 666.424km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 21 Nov 99: Scattered showers and small convective cells persist throughout the entire day. No organized systems. Increase in convection in the extreme southern region during the 23Z hour. Data Analyzed: 0003-2353Z Satellite Coincidence: 08:01:03.553 348.113km 21:03:54.723 22.994km Overpass: 2103Z(22km): Small showers and cells in the extreme southern region. QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 22 Nov 99: Scattered showers and convection throughout the entire day. Activity increases in coverage and intensity after 12Z. Several bands of showers witb convection race quickly across the scope. Data Analyzed: 0003-2353Z Satellite Coincidence: 06:48:30.636 313.754km 19:51:19.876 649.914km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 23 Nov 99: Numerous showers and convective cells cover the scope periodically throughout the entire day. Data Analyzed: 0003-2123Z 2243-2353Z Satellite Coincidence: 07:12:24.090 545.698km 20:15:22.923 216.523km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 24 Nov 99: Scattered showers and small convective cells are present throughout the entire day. Data Analyzed: 0003-2353Z Satellite Coincidence: 06:00:04.010 120.443km 19:02:53.866 448.222km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. Significant clutter speck re-processing noted in QC param file ***************************************************************************** 25 Nov 99: Scattered showers and convection mainly in the southern half of the scope. Data Analyzed: 0003-2353Z Satellite Coincidence: 06:23:44.513 744.467km 19:26:33.110 402.730km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. Significant clutter speck re-processing noted in QC param file - entire day reprocessed ***************************************************************************** 26 Nov 99: Widepsread showers and convection in the southern half of the scope from 00-10Z. A line of convection pushes to the North over the radar during the 10Z hour. Scattered convection continues mainly in the southern half through the remainder of the day. Data Analyzed: 0003-2354Z Satellite Coincidence: 05:11:19.766 71.392km 18:14:19.740 250.113km Overpass: 0511Z(71km): showers and small convective cells present in the southern half of the scope. QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. Significant clutter speck re-processing noted in QC param file (0003-0553Z reprocessed) ***************************************************************************** 27 Nov 99: Isolated to somewhat scattered showers and small convective cells are present throughout the entire day. Data Analyzed: 0003-2353Z Satellite Coincidence: 03:59:01.290 574.438km 18:38:15.870 593.632km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 28 Nov 99: Isolated showers and small convective cells are present much of the day. Data Anlayzed: 0003-2353Z Satellite Coincidence: 04:22:52.403 269.327km 17:25:40.176 55.301km Overpass: 1725Z(55 km): Isolated small showers QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. Radial spike interference at 2023Z. ***************************************************************************** 29 Nov 99: Scattered showers and small convective cells throughout most of the day. Data Analyzed: 0003-2353Z Satellite Coincidence: 03:10:27.126 387.464km 16:13:27.630 724.902km QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. ***************************************************************************** 30 Nov 99: Isolated showers and small cells continue through the day. Precip increases in coverage and intensity after 17Z. Data Analyzed: 0004-2353Z Satellite Coincidence: 03:34:26.290 469.714km 16:37:19.730 142.000km Overpass: 1637Z(142 km): No significant echo QC notes: ZCAL adjustment +5.0 dBZ VR mask applied to remove second trip echo. Clutter map applied. Minor clutter specks ignored. *****************************************************************************