N49RF HRD GPS Dropwindsonde Scientist Log Storm Katrina Dropwindsonde Scientists Chris Landsea/Krystal Valde -------------------------- -------------------------------------------------- Flight ID 050826N 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 012850 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 011218119 181911 26.47 79.08 1010.3 -------------- -------- Thin cirrus; 10% statocu; no winds | | 1A 011218115 182318 N/A N/A ------ -------------- -------- 10% stratocu; no launch detect - no winds | | 1B 034618046 182607 N/A N/A ------ -------------- -------- Clear; no launch detect - no winds | | 1C 034113025 182945 27.57 78.53 1010.5 135° 16 5 130° 11 Clear; missing winds 75-100 s; some fast fall times | | 2 002638072 184222 29.00 78.03 1011.8 150° 12 5 115° 03 20% stratocu; RH switching | | 3 002638011 190114 30.98 78.84 1012.4 124° 08 7 190° 01 In cirrus; RH switching; spotty winds ~180-400 s | | 4 002615328 192030 30.94 76.07 1012.8 124° 12 41 350° 05 10% stratocu; weak telemetry and spotty winds at | | low levels; RH switching | | 5 002615315 193517 29.00 75.99 1012.3 148° 12 5 50° 02 50% altostra; 30% Cu; Missing data 400-620 s on | | AVAPS channel #2 but okay on ch. #6; RH switching | | 6 002638010 195129 27.06 75.11 1011.7 141° 14 8 90° 03 Within cirrus; 20% Cu; extra data at end; spotty | | winds at beginning; RH switching | | 7 003115323 200504 26.94 76.94 1010.6 139° 14 8 100° 06 RH switching; spots of missing winds | | 8 011018043 202007 25.02 76.95 1009.5 139° 08~530mb 80° 10 Within cirrus; 10% Cu; winds only 80-220, 315-430 s | | 9 003135176 203517 23.98 75.15 1010.3 120° 02 8 70° 09 10% stratocu; good sonde... | | 10 003115157 205148 23.05 77.04 1010.0 127° 10 8 125° 04 In cirrus; RH switching; late winds 80 s | | 11 011245283 210957 23.99 79.00 1008.2 159° 19 8 170° 15 In cirrus; good sonde | | 12 003115471 214117 23.57 82.88 1000.5 216° 33 14 260° 34 In cirrus; rainband; RH switching; wind data gap | | 420-480 s; weak telemetry at mid levels; spotty | | winds 520-760 s; close to storm | | 13 002615325 215619 24.43 84.59 1000.1 340° 29 7 350° 38 In cirrus; dropped too early - close to storm; RH | | switching; poor/missing telemetry 470-495 mb and | | below 850 mb; noisy GPS signal | | 13A 003135172 220137 24.55 85.23 1002.1 360° 29 5 360° 34 In cirrus; RH switching at beginning | | 14 003615008 222208 22.08 85.09 1005.0 282° 19 7 315° 19 In cirrus; RH switching; winds died 454-620 s | | (~540-715 mb) | | 15 003115266 223548 21.12 86.57 1007.3 293° 08 5 340° 11 In cirrus; good sonde | | 16 002648026 230139 23.02 88.92 1007.3 327° 16 7 5° 13 Stratocu; RH switching; good sonde | | 17 002615330 232010 25.01 88.04 1006.7 357° 21 7 10° 19 Cirrus/Cu; RH switching; EOD at index 1702; spotty | | winds at beginning | | 18 003115467 233751 26.94 88.87 1008.5 34° 21 8 30° 15 Cirrus; late winds 73 s; RH switching | | 19 002638097 235235 27.00 87.00 1004.1 35° 25 8 35° 21 Cu/stratocu; RH switching; may have ended early? | | 20 003115178 000842 26.48 84.99 1005.2 50° 27 5 50° 31 Cirrus; wind gap 572-840 s | | 21 003155182 002313 28.16 84.43 1008.7 63° 25 27 70° 21 Cirrus; RH switching; spotty winds 56-60 s | | 22 002615516 004254 29.97 86.15 1010.4 51° 16 5 45° 15 Spotty PTH: 80-120 s; spotty winds; RH switching | | 23 011245114 010423 29.21 83.55 1005.3 66° 19 N/A 70° 14 Intermittent winds; lost winds at ~480 s; some | | winds at end; set heights missing | +----------------------------------------------------------------------------------------------------------------------------------+