N49RF HRD GPS Dropwindsonde Scientist Log Storm Ophelia Dropwindsonde Scientists Jason Dunion -------------------------- -------------------------------------------------- Flight ID 050913N Flight Director Paul Flaherty Takeoff from MACDILL at 1749 UTC ---------------------- --------------------------------------------- ---------- ---------- Mission ID 2216A OPHELIA AVAPS Operators Dave Brogan/Mark Rogers Recovery at SAVANNAH at 0220 UTC --------------------- --------------------------------------------- ---------- ---------- +----------------------------------------------------------------------------------------------------------------------------------+ | Drop Sonde Time Lat Lon Surface Wind closet DLM Comments | | # ID # (UTC) (°N) (°W) Pressure to surface wind | | (mb) dir/spd hgt (kt) | | (kt) (m) (RH heating cycles except as noted) | +----------------------------------------------------------------------------------------------------------------------------------+ | 1 011118003 183445 28.01 77.95 1013.2 245° 14 7 265° 22 Dry continental air; ~5-20% RH 500-900 mb; moist | | above; intermittent winds ~270-380 s | | 2 010715223 185848 28.98 75.07 ------ -------------- -------- Time synchronization problem on channel #1--okay on | | channel #5 but no winds below 215 mb | | 3 000345258 190125 29.15 74.70 1014.3 195° 15 8 225° 21 Dry continental air; 5-30% RH 200-700 mb | | (intermittent moist slots); 50-70% RH below | | 4 000345288 191537 29.91 73.02 1015.6 165° 15 8 215° 16 5-10% RH 350-600 mb; moist above and below; T | | inversions at top and base of dry air; heaters off | | 5 000335248 193238 N/A N/A ------ -------------- -------- No launch detect; no winds--telemetry weak at low | | levels; heaters off | | 6 000745023 193411 27.86 72.29 1015.7 130° 16 4 235° 10 Moist (like Jordan); heaters off | | 7 000345292 194801 26.97 73.96 1015.3 170° 12 9 240° 12 ~10% RH 250-500 mb; moist (Jordan above and below); | | heaters off | | 8 010715176 200412 25.02 73.95 1014.3 137° 05 20 245° 04 Moist (Jordan); weak PTH telemetry near EOD; | | readjusted end of file to record #1702 | | 9 011245335 202148 24.05 71.99 ------ -------------- -------- Bad T,RH above 360 mb; RH1 cutting out and not | | responding until 510 mb and also 737-910 mb, | | affecting heating cycles; no winds 235-256 mb | | 10 000335250 202617 24.26 71.48 1016.4 116° 17 27 65° 03 | | 11 002525273 203937 25.04 70.04 1017.3 125° 07 8 240° 02 Moist (~non-SAL); heaters off | | 12 000335244 205613 26.94 69.93 ------ -------------- -------- No satellites--no winds | | 13 044135102 205750 27.00 69.76 1017.5 91° 16 29 265° 06 Moist; heaters off | | 14 051926218 211033 27.07 68.06 1017.5 75° 09 7 310° 05 Heaters off | | 15 000345297 212817 29.02 67.99 1017.5 155° 03 4 270° 04 Getting into Ophelia outflow: 60 kt N @ 175 mb, | | 30 kt NW @ 200 mb | | 16 000345290 214735 30.98 67.09 ------ -------------- -------- No winds above 500 mb and between 735 and 930 mb | | 17 000345294 215009 31.16 67.32 ------ -------------- 315° 08 ~10% RH 300-500 mb; moist above and below; sporadic | | telemetry and no winds below 909 mb; no heights; | | heaters off | | 18 000345390 220504 32.04 68.96 1017.5 180° 06 24 275° 04 10% RH 350-500 mb; moist above and below; shallow | | outflow again (~F/L-250 mb); Ophelia outflow 45 kt | | NNW @ 175 mb, 25 kt NW @ 200 mb; heaters off | | 19 002615566 222309 34.00 69.00 1017.6 150° 05 7 310° 05 10% RH 260-500 mb; moist below; had to manually set | | EOD | | 20 000335176 224131 36.00 69.00 1017.5 45° 03 8 330° 08 10-20% RH 200-850 mb; outflow 50 kt NNW @ 175 mb, | | 25 kt NW @ 200 mb | | 21 000335249 225850 37.89 69.09 1017.7 345° 04 7 345° 10 Dry 400 mb - sfc.; no winds ~50-180 s | | 22 000345289 231351 37.00 71.00 ------ -------------- 340° 05 10-30% RH 400-800 mb; no data below ~925 mb; | | 35-40 kt outflow (NE) 175-200 mb | | 23 000335245 232939 35.95 72.83 ------ -------------- -------- Late winds 77 s; no winds 225-300 mb | | 24 000335177 233229 35.74 72.47 1016.9 125° 13 60 150° 06 10-20% RH f/l-600 mb; PTH telemetry dropouts and | | spotty winds 620-825 mb; heaters off | | 25 043845076 234326 34.96 71.04 1015.4 -------------- 185° 01 200-700 mb dry; moist below; weak telemetry | | 805-835 mb; no winds below 950 mb; heaters off | | 26 000335175 235840 33.02 71.05 ------ -------------- -------- Late winds 152 s; no winds 430-520 and below 655 mb | | 27 000345266 000058 32.84 71.33 1017.2 160° 12 5 175° 07 ~5% RH 400-700 mb; moist above and below; noisy GPS | | signal; weak telemetry 903 mb to EOD | | 28 000345295 001338 32.12 72.92 ------ -------------- 190° 14 ~5% RH 400-700 mb; moist above and below; same dry | | intrusion as drops #1-2; no data below 960 mb; | | heaters off | | 29 043615021 003000 33.97 73.06 ------ -------------- 160° 13 RH variable through drop; telemetry dropouts and no | | winds below 921 mb; no heights | | 30 012615198 004602 34.65 75.16 1013.4 120° 20 8 140° 21 5% RH 400-600 mb; moist above and below; same dry | | air intrusion as drops #1, 2, and 21; no winds | | 212-252 mb; no telemetry and winds 972-1005 mb | | 31 012225172 010016 33.00 74.72 1012.3 145° 21 7 170° 25 Weak outflow (10-20 kt) 175-200 mb | | 32 012615179 011534 31.23 75.29 1012.2 175° 19 7 210° 24 | | 33 012848003 012936 30.17 76.78 1012.4 215° 25 8 245° 25 10-40% RH f/l-600 mb | | 34 012615009 014247 30.18 78.63 1010.1 245° 25 4 280° 31 5% RH f/l-550 mb; late winds 89 s | +----------------------------------------------------------------------------------------------------------------------------------+