N49RF HRD GPS Dropwindsonde Scientist Log Storm Irene Dropwindsonde Scientists Sim Aberson -------------------------- -------------------------------------------------- Flight ID 050813N Flight Director Paul Flaherty Takeoff from BERMUDA at 1725 UTC ---------------------- --------------------------------------------- ---------- ---------- Mission ID 0509A IRENE AVAPS Operators Ray Tong/Bill Olney Recovery at MACDILL at 0145 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 003115460 175418 31.21 67.07 1015.2 150° 16 10 160° 24 10% Cu; -2.2 mb possible P bias; RH heating cycles | | 2 002638088 180801 32.78 67.55 1015.9 125° 16 10 135° 22 10% Cu; bad winds first 62 s | | 3 002615327 182626 34.99 67.07 1017.0 145° 08 10 150° 10 Clear | | 4 044535378 184216 35.74 69.01 1016.5 180° 08 10 160° 11 Clear; lost winds 245-550 mb; -2.3 mb poss. P bias | | 4A 044535482 184440 35.46 69.02 1016.9 145° 04 34 140° 10 Clear; -2.4 mb possible P bias; RH heating cycles; | | noisy GPS signal | | 5 002615323 185906 33.85 69.29 1015.8 95° 14 10 115° 15 20% Cu; nice banding | | 6 002615316 191042 33.82 70.94 1015.4 75° 10 23 110° 10 10% Cu; weak telemetry 250-300 mb | | 7 034323162 192536 32.89 72.58 1014.8 35° 04 10 95° 07 20% Cu; hazy; thin cirrus; -2.2 mb possible P bias; | | RH heating cycles | | 8 002615525 193843 34.01 73.99 1014.8 170° 02 10 165° 06 20% Cu; hazy; -2.4 mb possible P bias; RH heating | | cycles | | 9 002615540 195619 35.73 75.10 1015.3 150° 10 10 205° 08 Clear; hazy | | 10 022928028 202045 32.99 75.92 1015.0 160° 02 10 165° 05 Near TCu; -2.8 mb possible P bias; RH heat. cycles | | 11 044535325 203404 32.00 74.50 1014.9 270° 06 10 125° 05 SCu undercast; -2.7 mb possible P bias | | 12 003115458 204812 30.98 73.01 ------ -------------- -------- Ci; late, intermittent winds; fast fall | | 12A 000345655 205039 30.72 72.91 1014.6 320° 08 10 55° 07 Ci; very late T & RH--none until 900 mb; -2.2 mb | | possible P bias; no winds 545-715 mb | | 13 044535465 210411 29.23 72.41 1014.7 310° 08 10 285° 01 SCu and Cu below; -2.8 mb possible P bias; | | alternating heating cycles for RH1 only | | 14 002615505 211915 28.70 70.92 1014.8 255° 10 10 230° 05 Clear; -2.3 mb possible P bias | | 15 034355030 213353 28.17 69.01 1015.0 225° 12 10 215° 11 Clear | | 16 043845264 214902 29.14 67.47 1015.1 150° 12 10 195° 15 Clear; -2.7 mb possible P bias | | 17 011218007 220314 27.97 66.03 1016.9 170° 10 26 170° 07 20% TCu; -2.2 mb possible P bias; RH heating cycles | | 18 044535137 221942 26.02 65.86 1016.7 135° 08 456 100° 06 20% Cu; -2.5 mb possible P bias | | 19 002638071 223411 25.84 64.09 1016.8 118° 10 35 80° 09 10% Cu; thin Ci below | | 20 051926320 225031 24.04 65.05 1016.2 100° 10 10 75° 10 20% TCu; -2.0 mb possible P bias | | 21 051926316 230521 24.06 67.00 1015.7 70° 08 12 80° 07 30% TCu; -2.4 mb possible P bias | | 22 044535507 232344 25.99 68.12 1016.6 165° 06 10 160° 05 20% Cu; -2.3 mb possible P bias; RH heating cycles; | | telemetry weak/poor 665-735 mb; no winds 693-735 mb | | 23 011018034 233724 26.00 70.01 1013.6 215° 04 78 205° 07 Near convection | | 24 011245339 235147 26.00 72.00 1013.8 55° 04 10 190° 07 10% Cu; no T & RH | | 25 010715182 000612 26.00 74.01 1015.9 30° 06 10 160° 05 Dark; -2.3 mb possible P bias | | 26 051926270 002040 26.05 76.02 1015.6 30° 08 10 135° 05 RH heating cycles | | 27 011245275 004122 28.00 78.00 1014.8 50° 04 10 110° 05 -2.0 mb possible P bias | | 28 011245340 005845 29.91 79.12 1013.6 190° 04 10 80° 03 Telemetry problems 373-394 mb; no winds 237-263 mb; | | 2.9 mb possible P bias | +----------------------------------------------------------------------------------------------------------------------------------+