N42/3RF HRD GPS Dropwindsonde Scientist Log Storm KATRINA Dropwindsonde Scientists Chris Landsea/Stan Goldenberg -------------------------- -------------------------------------------------- Flight ID 050829I Flight Director Barry Damiano, Marty Mayeaux Takeoff from MACDILL at 0654 UTC ---------------------- --------------------------------------------- ---------- ---------- Mission ID WX12A KATRINA AVAPS Operators John Hill Recovery at MACDILL at 1530 UTC --------------------- --------------------------------------------- ---------- ---------- +----------------------------------------------------------------------------------------------------------------------------------+ | Drop Sonde Time Lat Lon Surface Wind closet BT Eye, Comments | | # ID # (UTC) (°N) (°W) Pressure to surface SST Eyewall, | | (mb) dir/spd hgt (°C) Rainband | | (kt) (m) (direction) (UBLOX sondes) | +----------------------------------------------------------------------------------------------------------------------------------+ | 1 051946009 084811 28.45 89.61 932.8 209° 81 4 N/A S Eyewall No observations above 901 mb; RH heating | | cycles | | 2 051946012 084845 28.49 89.61 929.3 211° 76 4 S Eyewall No observations above 894 mb | | 3 051946006 084907 28.52 89.61 926.7 210° 72 8 S Eyewall No observations above 892 mb | | 4 051946011 084944 28.56 89.61 924.0 219° 58 5 N/A S Eyewall No observations above 888 mb | | 5 053116227 091233 28.80 89.64 916.3 254° 14 8 Eye | | 6 051946010 092505 29.12 89.59 935.7 62° 91 8 29.3 N Eyewall Delayed launch detect 257 s; | | no observations above 904 mb | | 7 051926012 092528 29.16 89.59 ------ -------------- N Eyewall PTH only 844-886 mb; no winds | | 8 051926143 092552 29.19 89.59 941.0 58° 76 7 N Eyewall No observations above 902 mb; winds spotty | | at end | | 9 051946013 092622 29.23 89.59 ------ -------------- N Eyewall No launch detect; observations only | | 822-875 mb | | 10 051926149 094443 30.35 89.83 ------ -------------- N Rainband Over land; bad winds to 60 s; no winds | | 948 mb to surface | | 11 044535109 095506 29.66 90.30 968.7 346° 62 5 NW Rainband Over land; RH heating cycles | | 12 051946005 101421 28.91 90.34 ------ -------------- W Rainband No launch detect; weak/poor PTH telemetry; | | no observations below 898 mb | | 13 051926021 102103 28.95 89.75 926 253° 43 5 W Eyewall RH heating cycles | | 14 051946014 103008 N/A N/A ------ -------------- E Eyewall No data--telemetry died; delayed launch | | detect 161 s | | 15 051926082 103032 29.02 89.22 935.4 148° 99 5 E Eyewall Delayed launch detect 4.5 s; occasional | | weak PTH telmetry at lower levels | | 16 044535102 104253 29.53 88.29 ------ -------------- N/A Very late launch detect 266 s | | 17 051926103 105740 30.12 87.57 ------ -------------- NE Rainband PTH telemetry weak/bad and spotty winds | | below 718 mb; telemetry lost below 823 mb; | | RH offset | | 18 051946026 110737 30.20 88.54 984 98° 66 12 Weak/bad telemetry and spotty/no winds | | 664-701 mb and 801-907 mb; RH adjusted | | 19 051926110 111335 30.20 89.18 977 85° 72 14 PTH telemetry lost 816-928 mb; no winds | | 807-927 mb; RH heating cycles | | 20 051946036 111727 30.14 89.54 971.6 66° 86 36 RH adjusted | | 21 051926201 112647 29.60 89.54 937.2 66° 97 17 N Eyewall | | 22 051926114 112711 29.55 89.54 932.7 64° 74 17 N Eyewall | | 23 051926111 120844 30.10 89.43 962.4 73° 83 20 NE of Eye Along coast; RH heating cycles | | 24 051946058 120933 30.13 89.50 ------ -------------- Telemetry and winds lost at 857 mb; | | RH adjusted | | 25 051946004 121021 30.17 89.36 963.4 42° 68 10 RH adjusted | | 26 053116086 122206 30.08 90.25 970.3 1° 74 10 NW of Center | | 27 053116226 123024 29.73 89.76 931.2 7° 72 10 NW Eyewall Delayed launch detect 100 s | | 28 051946007 124215 29.50 88.88 ------ -------------- E Eyewall No launch detect; intermittent winds near | | BOD | | 29 053116061 130641 30.19 88.48 976.9 138° 111 237 NE Eyewall Flaky winds at the surface; near tower | | 30 053116094 131320 30.14 88.99 ------ -------------- E Eyewall Telemetry and winds lost below 677 mb | | 31 053116062 132510 30.10 88.81 ------ -------------- E Eyewall Intermittent PTH telemetry and winds | | 32 051926016 132559 30.17 88.88 ------ -------------- E Eyewall No PTH telmetry and winds 658-930 mb; RH2 | | 33 053116233 132648 30.25 88.98 ------ -------------- NE Eyewall Fast fall; no observations above 915 mb; | | marked winds as doubtful | | 34 053116068 132736 30.29 89.02 ------ -------------- NE Eyewall No data until EOD--bad telemetry | | 35 051926022 134058 30.17 89.63 939.7 37° 58 9 Inner Edge of RH2; big wind peak near surface | | NW Eyewall | | 36 044535124 135020 29.89 89.12 948.8 143° 89 9 E Eyewall | +----------------------------------------------------------------------------------------------------------------------------------+