N49RF HRD GPS Dropwindsonde Scientist Log

Storm Ophelia                    Dropwindsonde Scientists John Kaplan
     --------------------------                          --------------------------------------------------
Flight ID 050908N                Flight Director Tom Shepherd/Paul Flaherty                    Takeoff from MACDILL at   180014  UTC
         ----------------------                 ---------------------------------------------              ----------  ----------
Mission ID 0716A OPHELIA         AVAPS Operators Jeff Smith/Dale Carpenter                     Recovery  at MACDILL at   013500  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)                (Heaters on w/ RH heating cycles except as noted)   |
+----------------------------------------------------------------------------------------------------------------------------------+
|  1    034325140  182920  26.06  84.04 1012.2   360°  12     7    10°  09     100% cirrus below; winds missing ~180-270 s;        |
|                                                                              heaters off                                         |
|  2    034325114  185139  27.06  86.94 1013.7    34°  13     6    40°  06     30% low Cu                                          |
|  3    042815227  191602  30.02  86.51 1015.1   --------------   335°  05     Weak/poor telemetry ~375-490 mb; spotty winds       |
|                                                                              ~240-360 s; no winds below 966 mb                   |
|  4    051926225  193032  28.98  88.00 1015.4    46°  11     8    10°  05                                                         |
|  5    053166071  194839  26.98  89.00 1014.4    60°  12     8    60°  03     Rev "F" UBLOX sonde                                 |
|  6    034325120  200424  25.05  88.92 ------   --------------   --------     100% cirrus; telemetry failed on channel #2--P okay |
|                                                                              but no T, RH and spotty & noisy GPS signal/winds on |
|                                                                              channel #6                                          |
|  6A   034325113  200534  25.00  88.78 ------   --------------   340°  02     100% cirrus; sonde terminated early at 825 mb by    |
|                                                                              AVAPS operator; late winds 68 s                     |
|  7    051926224  201902  24.97  87.00 1012.8    32°  08     5    10°  06                                                         |
|  8    042825024  204043  23.04  84.97 1012.7   333°  11     7   335°  09     Possible SAL sonde                                  |
|  9    034325143  212252  23.38  79.82 1011.2   278°  11     7   230°  09     Clear below aircraft; wind missing 120-180 s;       |
|                                                                              possible SAL sonde                                  |
|  10   044135263  214549  25.30  77.76 1009.9   242°  18     4   210°  16     Possible SAL sonde                                  |
|  11   042815027  220507  26.97  75.98 1011.0   205°  18     8   210°  18     Possible SAL sonde                                  |
|  12   042415093  221936  27.08  74.10 1011.7   200°  12     8   225°  09                                                         |
|  13   033118006  223758  29.00  74.77 1011.8   154°  10     4   205°  14     Weak telemetry at lower levels; missing winds and   |
|                                                                              PTH 720-840 s                                       |
|  14   034323184  225037  29.00  73.00 1012.1   157°  02     5   230°  07     Missing PTH and winds 750-820 s--interpolated       |
|  15   034355029  230634  28.13  71.05 1013.1   292°  03    11   270°  06     Missing winds 120-180 s                             |
|  16   042825050  232223  28.98  71.05 1012.4   159°  03    12   280°  08     Missing winds ~100-220 s                            |
|  17   034113021  233910  30.99  73.07 1013.1    67°  10     4   250°  08                                                         |
|  18   043615163  235405  31.04  74.97 1012.8    80°  16     7   205°  10                                                         |
|  19   042815076  001517  31.46  77.68 1011.9    92°  24     5   130°  08     Telemetry problems on channel #1 580-650 s--okay on |
|                                                                              channel #5                                          |
|  20   003115179  003001  29.78  77.22 1010.0   101°  26     7   170°  17                                                         |
|  21   003115183  004548  28.00  77.80 1007.6   182°  23     8   200°  29                                                         |
|  22   002158089  010001  27.00  79.23 1008.0   254°  25     7   245°  19                                                         |
+----------------------------------------------------------------------------------------------------------------------------------+