N49RF HRD GPS Dropwindsonde Scientist Log

Storm Rita                       Dropwindsonde Scientists Neal Dorst
     --------------------------                          --------------------------------------------------
Flight ID 050919N2               Flight Director Paul Flaherty                                 Takeoff from MACDILL  at   1800  UTC
         ----------------------                 ---------------------------------------------              ----------  ----------
Mission ID 0718A RITA            AVAPS Operators Jeff Smith/Dave Brogran/Mark Rogers           Recovery  at MACDILL  at  ~0150  UTC
          ---------------------                 ---------------------------------------------              ----------  ----------


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| 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)                (RH heating cycles except where noted)              |
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|  1    012025071  182023  26.74  85.30 1017.0    49°  14     8    65°  23     30% stratocu coverage; some noisy PTH telemetry     |
|                                                                              417-775 mb                                          |
|  2    012025079  183840   N/A    N/A  ------   --------------   --------     Delayed launch detect 101 s; fast fall--no winds    |
|                                                                              above 437 mb and those below are unreliable         |
|  2A   011245466  184004  24.78  84.11 1015.6    51°  14     5    75°  20     Noisy GPS signal for first half of sounding         |
|  3    012615190  185604  22.99  84.99 1013.9    42°  17     5    55°  13     20% Cu congestus                                    |
|  4    012545008  191200  21.02  84.95 1011.4    46°  14     5    55°  11     20% Cu congestus                                    |
|  5    012625025  192853  20.04  83.00 1011.1    38°  16     8    45°  10                                                         |
|  6    012225102  195024  21.27  80.71 1009.5     6°  14     7    40°  11                                                         |
|  7    000745106  200336  20.85  79.24 1009.2   336°  08     7    25°  09     100% undercast; Ci                                  |
|  8    011345088  203011  19.51  76.50 1009.3   176°  04     8   215°  08     Clear below                                         |
|  9    000715086  205410  20.45  74.08 1009.0   161°  17     8   185°  15     Clear below                                         |
|  10   000745111  211146  21.95  75.83 1007.0   225°  23     7   215°  23     50% below; Ci aloft                                 |
|  11   000715084  212829  23.62  75.03 1007.6   133°  33     4   150°  31     90% obscure; Ci                                     |
|  12   000745108  214519  23.04  73.00 1011.1   113°  16     8   155°  17                                                         |
|  13   011378173  220227  24.00  71.00 1013.5   116°  23     8   135°  10     Spotty winds 840-907 mb                             |
|  14   000715075  222005  25.06  69.07 1015.8   --------------    30°  03     No winds 570-610 mb and below 678 mb                |
|  15   011378167  223743  26.91  70.03 1016.8    96°  19    10    90°  09     No winds 187-263 mb                                 |
|  16   000715073  225332  26.16  71.90 1015.2   103°  21     5   115°  13                                                         |
|  17   012848002  231822  28.98  71.06 1019.1   113°  14     8    60°   7     Dark                                                |
|  18   000715079  233225  30.01  72.49 1019.9    87°  17     8    45°   7     Very dark; telemetry dropouts and few winds         |
|                                                                              800-835 mb                                          |
|  19   000715085  234541  30.87  73.93 1020.7    85°  16     8    20°   7     Full moon!                                          |
|  20   000715072  000111  29.00  73.99 1018.2    76°  21     8    80°  14     Heaters off; no winds 188-260 mb on AVAPS channel   |
|                                                                              #2--okay on channel #6                              |
|  21   000745021  001754  27.00  74.04 1015.6   101°  19     8   100°  20                                                         |
|  22   011345107  003731  25.54  75.94 1011.4    75°  25     8   100°  33     No winds 240-290 mb                                 |
|  23   011245365  005246  26.77  77.16 ------   --------------   --------     Some weak PTH telemetry; occasional winds--none     |
|                                                                              above 275 mb and below 510 mb                       |
|  23A  012025069  005413  26.90  77.04 1013.7    80°  31     7    85°  32     Some weak PTH telemetry at mid levels; late winds   |
|                                                                              107 s                                               |
|  24   000715159  010540  27.84  76.15 1017.0   --------------    85°  20     Winds cut out at 860 mb; heaters off                |
|  25   012225148  012207  28.97  78.01 1017.9    61°  17     7    75°  18                                                         |
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