N49RF HRD GPS Dropwindsonde Scientist Log

Storm Katrina                    Dropwindsonde Scientists Krystal Valde
     --------------------------                          --------------------------------------------------
Flight ID 050824N                Flight Director Paul Flaherty                                 Takeoff from MACDILL at   1801   UTC
         ----------------------                 ---------------------------------------------              ----------  ----------
Mission ID 0412A KATRINA         AVAPS Operators Ray Tong/Dave Brogan/Mark Rogers              Recovery  at MACDILL at   0209   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    011245347  182955  25.79  84.32 1013.2    16°  06     8    70°  09     Some weak telemetry at mid levels; RH heat. cycles  |
|  2    011245288  183941  24.75  84.87 ------   --------------   --------     Late winds 186 s; no winds 800-835 mb               |
|  2A   011245087  184240  24.44  84.71 ------     8°  04   N/A    70°  10     Telemetry problems bottom half of sonde--did not    |
|                                                                              reach sfc.; set heights missing; intermittent       |
|                                                                              winds; RH heating cycles                            |
|  3    011245377  185648  22.85  84.14 1011.7   330°  08   598    75°  07     Late winds 78 s; telemetry bad 560-580 mb;          |
|                                                                              intermittent winds; RH2 only                        |
|  4    011245343  190916  21.67  85.00 1011.9   337°  04     8    95°  05     Flagged winds 418/425 s                             |
|  5    011245366  192618  21.01  82.96 1011.8   272°  04     5   120°  03     Late winds 69 s                                     |
|  6    011245086  194951  21.23  80.01 1010.6   241°  10     8   205°  04     No T,RH first 3 minutes; RH2 only above 400 mb; no  |
|                                                                              winds 533-567 mb                                    |
|  6A   002648022  195210  21.00  79.87 ------   250°  10   N/A   210°  04     "Backup" sonde; late winds 56 s; telemetry problems |
|                                                                              and spotty winds below 875 mb--did not reach sfc.;  |
|                                                                              set heights missing                                 |
|  7    011245336  201032  19.05  78.94 ------   107°  08   N/A   125°  17     Lost telemetry and GPS below 371 mb--did not reach  |
|                                                                              surface; set heights missing                        |
|  8    003135212  203622  19.54  76.56 1012.3   273°  19    41   230°  06     Over cirrus; noisy GPS signal                       |
|  9    011245345  205319  20.06  74.04 1011.8    52°  04     8   140°  05     Weak telemetry most of sounding; multiple wind gaps |
|  10   011245179  211026  21.98  73.95 ------   --------------   --------     Over clouds                                         |
|  11   002648030  212819  23.03  72.08 1013.6   130°  12    47   200°  07     Late winds 84 s; switched from RH1 to RH2 at 630 s; |
|                                                                              cirrus; no winds 245-276 mb                         |
|  12   010715140  214801  25.01  72.99 1013.7   137°  14     7   165°  09     100% RH @ ~300 mb; RH heating cycles                |
|  13   003135218  220526  26.99  73.00 ------   --------------   --------     Telemetry poor/missing and no winds below 482 mb--  |
|                                                                              did not reach surface                               |
|  14   033135214  223111  29.99  73.04 ------   --------------   --------                                                         |
|  15   002648025  224454  31.00  74.50 1016.4   144°  06     5   210°  03     Cirrus; no temperatures and RH until near surface   |
|  16   011245281  225827  31.89  75.99 ------   --------------   --------     No T and RH; sounding terminated early about 4 min. |
|                                                                              after launch                                        |
|  16A  010715185  225928  31.82  76.09 ------   --------------   --------     "Backup" sonde                                      |
|  17   011245344  231612  30.02  77.08 ------   --------------   --------                                                         |
|  18   003135211  232951  29.94  78.94 ------   --------------   --------     Noisy GPS signal; RH heating cycles                 |
|  19   003135210  234443  28.20  78.95 ------   --------------   --------                                                         |
|  20   003135215  235751  28.13  77.17 ------   --------------   --------                                                         |
|  21   003135275  001148  27.04  75.67 ------   --------------   --------     Delayed launch detect 10 s; no winds below 548 mb;  |
|                                                                              RH heating cycles                                   |
|  22   002648024  002716  25.25  75.12 ------   --------------   --------     Winds only near BOD and EOD; RH2 only               |
|  23   003135226  005320  22.67  76.87 1013.4   234°  12     5   225°  12     RH at 250 mb: 39.2 %; weak/poor telmetry and spotty |
|                                                                              winds at 625-675 mb; RH heating cycles              |
|  24   002648031  010833  22.82  78.77 ------   --------------   --------     RH heating cycles                                   |
|  25   003135207  012717  24.03  80.75 1012.2   307°  06     8   340°  05     RH at 250 mb: 60.7%; no winds 770-926 mb            |
+----------------------------------------------------------------------------------------------------------------------------------+