Kwajalein PR Overpass Products

TRMM PR overpasses over Kwajalein

50 overpasses used in Schumacher and Houze (JAM 2000)

August 1998 Orbit Dist to nadir(km) Aug PR swaths
08-09 00:49 UTC 4008 101 small lines, weak organization
08-15 21:10 UTC 4116 26 moderate organization, NW-SE orientation
08-20 05:20 UTC 4184 83 large system, mostly stratiform; gv second trip
08-24 16:50 UTC 4255 156 moderate cell over north kwaj
08-31 13:10 UTC 4363 75 active but scattered
September 1998 Orbit Dist to nadir(km) Sep PR swaths
09-04 21:20 UTC 4431 130 moderate cell far to south
09-07 09:30 UTC 4471 3 scattered, one small line over namu
09-11 17:40 UTC 4539 57 active, moderate organization
09-18 13:57 UTC 4647 21 very active/convective
09-21 02:11 UTC 4687 143 small lines in south and east
09-23 01:30 UTC 4718 53 scattered
09-29 21:50 UTC 4826 17 sf area over kwaj, thin line to SW; calibration test
October 1998 Orbit Dist to nadir(km) Oct PR swaths
10-08 17:18 UTC 4965 100 active, embedded convection
10-29 06:28 UTC 5289 122 strong NW-SE line east of kwaj
November 1998 Orbit Dist to nadir(km) Nov PR swaths
11-02 14:36 UTC 5357 71 handful of small lines
11-07 02:02 UTC 5428 3 scattered, small convection
11-18 06:32 UTC 5604 22 scattered convective elements
11-20 05:43 UTC 5635 176 sizable cell to SW
11-25 02:51 UTC 5712 97 very active/convective, moderate organization
11-29 14:19 UTC 5783 32 weaker lines/cells to south
December 1998 Orbit Dist to nadir(km) Dec PR swaths
12-05 21:38 UTC 5882 213 tip of the iceberg, strong cell to SW
12-10 18:49 UTC 5959 49 weak and scattered echo
12-12 18:01 UTC 5990 149 moderate echo to south
12-17 15:12 UTC 6067 113 weak and scattered
12-22 02:38 UTC 6138 38 long, thin lines oriented SW-NE
January 1999 Orbit Dist to nadir(km) Jan PR swaths
01-20 11:18 UTC 6601 142 weak and scattered
01-22 10:30 UTC 6632 59 N-S oriented lines to south
February 1999 Orbit Dist to nadir(km) Feb PR swaths
02-09 11:20 UTC 6916 19 moderate activity except strong line to south
02-27 15:34 UTC 7203 85 weak and scattered
March 1999 Orbit Dist to nadir(km) Mar PR swaths
03-01 14:45 UTC 7234 113 weak and scattered
03-03 23:41 UTC 7271 29 moderate activity and organization
03-06 11:51 UTC 7311 158 fairly strong SW-NE line over namu
April 1999 Orbit Dist to nadir(km) Apr PR swaths
04-22 11:44 UTC 8052 4 weak and scattered
May 1999 Orbit Dist to nadir(km) May PR swaths
05-03 16:13 UTC 8228 21 weak and scattered
05-05 15:25 UTC 8259 179 weak and scattered
05-10 12:36 UTC 8336 93 weak and scattered
05-21 20:23 UTC 8515 102 very active, SE quadrant

Version.0 GV Calibration Adjustment

June 1999 Orbit Dist to nadir(km) Jun PR swaths
06-22 04:15 UTC 9009 1 moderate activity; gv second trip
06-26 12:22 UTC 9077 49 weak and scattered
06-30 23:48 UTC 9148 120 weak, scattered
July 1999 Orbit Dist to nadir(km) Jul PR swaths
07-03 08:45 UTC 9185 22 small N-S line east of kwaj
07-07 20:10 UTC 9256 47 weak and scattered
07-12 04:18 UTC 9324 103 small/medium lines to SW; gv second trip
07-16 15:44 UTC 9395 167 moderately strong cell over north kwaj
07-20 23:51 UTC 9463 214 strong cells at edge of scope to SW
07-25 21:02 UTC 9540 54 sf area S of kwaj, nice cells to E; gv second trip
07-28 09:16 UTC 9580 191 moderate cell to SE
August 1999 Orbit Dist to nadir(km) Aug PR swaths
08-03 16:34 UTC 9679 53 moderate scattered cells
08-06 04:49 UTC 9719 73 weak and scattered
08-10 12:56 UTC 9787 24 nice system NE of kwaj
08-17 09:18 UTC 9895 101 moderate cells NE of kwaj
08-19 08:30 UTC 9926 92 moderate, scattered
08-23 19:55 UTC 9997 160 moderate activity to NW
08-28 17:06 UTC 10074 107 moderate cells, tending toward lines
08-30 16:17 UTC 10105 86 moderate cell to SW
September 1999 Orbit Dist to nadir(km) Sep PR swaths
09-06 12:39 UTC 10213 5 weak and scattered
09-08 11:50 UTC 10244 196 large sf area to NW
09-10 20:46 UTC 10281 54 many significant lines, all orientations
09-22 04:35 UTC 10460 55 moderate cells to NE; gv second trip
09-26 12:42 UTC 10528 101 moderate line to south
October 1999 Orbit Dist to nadir(km) Oct PR swaths
July 2000 Orbit Dist to nadir(km) Jul PR swaths
07-01 11:48 UTC 14927 90 mostly stratiform
07-03 10:59 UTC 14958 99 moderate activity, organized to S
07-05 23:13 UTC 14998 23 moderate activity
07-10 07:21 UTC 15066 30 large system
07-17 03:43 UTC 15174 48 isolated
07-25 23:16 UTC 15313 71 moderate activity
August 2000 Orbit Dist to nadir(km) Aug PR swaths
08-06 07:04 UTC 15492 67 active
08-10 15:12 UTC 15560 119 large system
08-13 03:26 UTC 15600 15 strong E-W line
08-17 11:33 UTC 15668 34 highly convective
08-19 23:48 UTC 15708 90 large convective region to E
08-24 07:55 UTC 15776 39 moderate but scattered activity
08-28 19:21 UTC 15847 26 strong activity througout region
08-31 04:17 UTC 15884 119 highly convective
September 2000 Orbit Dist to nadir(km) Sep PR swaths
09-02 03:28 UTC 15915 78 mostly stratiform
09-08 23:50 UTC 16023 3 scattered
09-11 12:05 UTC 16063 126 stong activity to SE
09-13 11:16 UTC 16094 70 scattered
09-15 20:12 UTC 16131 72 isolated
October 2000 Orbit Dist to nadir(km) Oct PR swaths
10-01 12:08 UTC 16378 29 isolated
10-08 08:30 UTC 16486 105 mostly stratiform
10-10 07:41 UTC 16517 87 scattered
10-14 19:07 UTC 16588 158 moderate activity to NW
10-17 04:03 UTC 16625 18 moderate system to SE
10-28 11:51 UTC 16804 12 weak stratiform
10-30 20:47 UTC 16841 129 strong cell north of Kwajalein
November 2000 Orbit Dist to nadir(km) Nov PR swaths
11-01 19:59 UTC 16872 67 active
11-04 08:13 UTC 16912 57 strong cell to S
11-13 03:47 UTC 17051 68 scattered
11-20 00:19 UTC 17159 7 moderate cell to SW
11-26 20:31 UTC 17267 80 mostly stratiform
11-28 19:43 UTC 17298 117 moderate activity and organization
December 2000 Orbit Dist to nadir(km) Dec PR swaths
12-01 04:39 UTC 17335 21 very active, moderate organization
12-05 16:05 UTC 17406 45 scattered
12-08 01:01 UTC 17443 98 mostly stratiform with imbedded convection
12-10 00:12 UTC 17474 94 active to SW
12-12 12:27 UTC 17514 31 mostly stratiform
12-23 16:56 UTC 17690 55 very active

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Courtney Schumacher courtney@atmos.washington.edu