N49RF HRD GPS Dropwindsonde Scientist Log Storm Katrina Dropwindsonde Scientists Stan Goldenberg -------------------------- -------------------------------------------------- Flight ID 050828N1 Flight Director Jack Parrish Takeoff from MACDILL at 0542 UTC ---------------------- --------------------------------------------- ---------- ---------- Mission ID 1612A KATRINA AVAPS Operators Beth Kerr/Jorge Delgado/Jeff Smith Recovery at MACDILL at 1336 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 010748047 060951 25.34 83.48 ------ -------------- -------- No winds above 550 mb and 630-660 mb and bad | | pressure offset | | 1A 003115462 061242 25.13 83.76 1002.5 131° 27 5 165° 41 Winds bad 20-26 s (when only four satellites) | | 2 011245157 062441 24.26 84.98 996.8 163° 39 10 195° 49 DLD 5.5 s; adjusted time; RH swap good; can see eye | | on radar 45° right of track | | 3 011118019 063946 24.04 86.84 990.3 211° 45 5 250° 56 Some intermittent winds; total saturation; ~70-75 | | n.m. S of center | | 4 011218128 065727 25.33 88.46 990.8 350° 35 7 5° 53 Saturated all the way | | 5 011245154 071234 27.11 88.89 997.8 52° 47 416 55° 42 Late winds 99 s; spotty winds--only 4-5 satellites | | 6 011218001 072731 28.86 88.31 ------ -------------- -------- Lost PTH telemetry below 530 mb--winds continue; RH | | swap good | | 6A 004255064 075424 29.27 88.35 1003.8 66° 23 4 85° 24 Dropped between points 7 & 8; some wind gaps | | 7 011115118 074212 30.07 86.98 1004.6 88° 23 5 105° 18 Some spotty winds; RH swap good | | 8 011115122 081628 28.01 91.01 1002.8 45° 16 7 55° 20 | | 9 002158087 083100 27.92 92.95 1004.5 46° 14 13 55° 10 | | 10 011245069 084643 26.03 92.88 1002.4 17° 12 8 30° 14 Weak/poor PTH telemetry below 725 mb; flaky winds | | near surface | | 11 011245077 090027 25.92 91.10 ------ -------------- -------- Late winds 158 s; no winds below 340 mb | | 11A 011245071 090551 25.31 91.35 1000.5 2° 16 N/A 35° 11 Winds flagged 310-320 s; lost winds below 420 mb; | | some weak telemetry 760-800 mb | | 12 011118016 091719 24.03 91.86 999.2 342° 12 7 360° 14 Weak/poor PTH telemetry below 935 mb--channel 8 | | sonde data better; EOD=sfc?--maybe okay | | 13 011245076 093131 23.95 90.03 998.0 320° 21 5 335° 23 During rapid deepening cycle | | 14 011245158 094909 22.03 88.96 1000.4 236° 19 7 275° 15 | | 15 003135284 101419 21.03 86.05 ------ 199° 29 N/A 215° 16 All data drops out for an interval above sfc; | | EOD 974 mb not surface--set heights to missing | | 16 011245175 102908 19.15 85.96 1003.7 203° 16 902 190° 07 Set EOD to index 1655; no winds below 910 mb | | 17 011245363 104812 19.99 83.99 ------ 172° 25 N/A 175° 12 No winds 485-525 mb; telemetry bad at EOD; did not | | reach surface--no heights | | 18 011118025 110446 20.02 81.98 1007.4 155° 20 7 155° 12 Intermittent winds towards EOD | | 19 011245110 112321 21.02 80.18 1008.5 172° 24 172 135° 08 100% cloud below; edge of storm; big wind gap near | | BOD; flagged winds 210-236, 630-640, and 735-780 s; | | no winds below 925 mb | | 20 011118015 114723 21.70 83.21 1006.6 167° 31 8 175° 16 ~10° low Cu | | 21 011245161 120023 21.68 84.91 1003.9 174° 23 8 195° 18 Flaky data; backup for #15 | | 22 011245073 122225 23.23 83.50 1004.9 170° 25 47 180° 23 Lots of cirrus below; some wind gaps | | 23 011245360 124927 23.64 80.14 1008.4 158° 19 7 150° 13 5-10% low cloud below | +----------------------------------------------------------------------------------------------------------------------------------+