N49RF HRD GPS Dropwindsonde Scientist Log Storm Katrina Dropwindsonde Scientists Chris Landsea/Krystal Valde -------------------------- -------------------------------------------------- Flight ID 050825N Flight Director Paul Flaherty Takeoff from MACDILL at 1800 UTC ---------------------- --------------------------------------------- ---------- ---------- Mission ID 0812A KATRINA AVAPS Operators Jeff Smith/Dave Brogan/Dale Carpenter Recovery at MACDILL 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) | +----------------------------------------------------------------------------------------------------------------------------------+ | 1 003135204 182248 26.00 82.26 1010.9 343° 16 5 10° 23 20% altostratus; 20% Stratocu; RH sensor switching; | | launched at ~310 mb | | 2 002648028 184357 24.02 84.05 1012.5 305° 14 8 10° 08 In cirrus; delayed launch detect 10 s; RH sensor | | switching | | 3 002525268 185805 23.95 85.97 1012.8 357° 08 7 80° 07 10% stratocu; late winds 60 s; RH sensor switching | | 4 003115329 191639 22.10 86.71 1012.9 326° 08 5 80° 05 ~10% stratocu--mostly clear; late winds 60 s; RH | | sensor switching | | 5 002525255 201132 23.46 80.00 1010.6 245° 12 10 270° 15 In cirrus; RH sensor switching; telemetry better | | near EOD on AVAPS channel 5 | | 6 003115461 202518 23.20 78.22 1011.8 204° 06 7 225° 13 In cirrus; used RH2; applied 5% RH dry bias corr. | | to data from 0 to 300 s | | 7 003135279 204016 23.91 76.75 1012.2 199° 14 5 200° 10 In cirrus | | 8 002615592 205624 21.86 76.54 1011.7 64° 06 8 185° 02 No flight-level meteorological data at launch; | | noisy GPS at upper-mid levels; RH sensor switching | | 9 003115331 211240 23.00 75.00 1012.7 165° 02 5 30° 04 Clear skies below | | 10 002615598 213030 23.88 73.04 1012.9 154° 06 17 40° 07 Clear skies below; PT flagged at 710-735 s; P data | | kept at 680-704 and 737-758 s | | 11 002648018 214453 22.06 72.93 1012.5 127° 12 7 40° 07 | | 12 002615594 220019 22.04 71.00 1013.9 125° 12 8 45° 06 Over a lot of altostratus; flagged winds 741-742 | | and 747-748 s | | 13 003135223 222130 24.00 69.99 1014.6 147° 10 5 75° 09 Late winds 79 s; over altostrat/stratocu; RH sensor | | switching | | 14 002615326 223929 26.00 70.00 1015.3 148° 02 5 30° 08 Clear skies below | | 15 002158086 225726 28.00 70.00 ------ 124° 04 N/A -------- Altocu/stratocu; PTH lost below 970 mb; changed | | EOD to index 1638; flagged P 790 s to EOD; set | | heights missing | | 16 003115498 231429 29.84 70.12 1017.0 137° 18 5 315° 10 Cirrus; RH sensor switching | | 17 003115322 233446 27.99 71.97 1015.7 118° 08 30 30° 04 Altocu/altostat; late winds 61 s | | 18 002638070 235003 26.05 72.08 1015.2 129° 10 5 50° 06 RH sensor switching | | 19 003135288 000506 26.00 74.00 1014.0 125° 12 ~3000 30° 10 RH sensor switching; lost winds after 570 s | | 20 011245338 002217 26.06 76.17 1012.6 125° 10 8 140° 08 RH sensor switching; winds bad 0-60 s; missing | | winds 80-230 s | | 20A 003135283 002550 26.42 76.33 1013.2 122° 12 7 130° 12 Late winds 110 s; RH sensor switching | | 21 003135213 003815 27.77 76.75 1013.5 130° 12 5 110° 12 Late winds 95 s; RH sensor switching | | 22 002638069 005726 29.87 76.14 1015.1 125° 12 5 45° 07 Spotty winds 130-420 s | | 23 003115469 011626 29.02 78.32 1014.3 84° 16 8 95° 14 Late winds 75 s; fast fall?; RH sensor switching | | 24 003115334 013346 30.88 79.04 1015.9 38° 19 7 60° 10 RH sensor switching | +----------------------------------------------------------------------------------------------------------------------------------+