Daily report from Sipora (Dec 18, 2011)

Dear friends,

This is daily report from Sipora on December 18, 2011.

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 UTC                                     00                 03                06                09                12                15                18                21

Observ. Members                Iyan, Jeni        Hmd, Riris        Hmd, Riris             Hmd, Riris            Hmd, Riris             Wu, Su                 Wu, Su          Wu, Su

Sonde released (LT)            06:36                     09:30              12:30             15:30                     18:30                      21:30                     00:29                     03:30

Observ. End time (LT)         07:41                     10:42                      13:41                      16:30                     19:43                      22:26                     01:20                     04:26    

Max. elevation (km)             19.519                   20.709                    22.920                    19.169                   19.641                    18.459                   18.009                   18.751

Flight Direction                   SE                           SE                           E                             E                             SE                           E                          S                           W

Weather condition            cloudy                    clear                       cloudy                    slight rain           cloudy                    clear                     little rain             rainfall

Cloud amount                      5/8                          4/8                          5/8                          7/8                          overcast         8/8                     8/8                      8/8

    (Cu4, Cs/Ci 1)        (Sc4, As2, Cs1)              (As, Cu, Ci)                                          

Pressure (hPa)             1008.1            1009.4               1007.9              1006.1                   1007.0                   1008.7                   1008.6                   1007.0  

Temperature (^oC)            23.8                        30.8                        30.7                        25.6                        26.9                      25.4                        26.3                24.6

Relative humidity (%)        91                           65                           66                           88                           82                           88                           81                       88

Surf. Wind dir. (deg)         145                       3                             322                        203                        313                         147                         345                 57

Surf. Wind Speed (m/s)     0.0                          0.1                          1.3                          0.0                          0.0                          0.0                          0.0                     0.0

Comments:

Observation at 00 UTC  > Wind EDT data were lose at 10.743km – 14.054km) and 10.394km - end  

Observation at 06 UTC > Above 9 km height many raw PTU/ wind data were lose; EDT wing were lose above 21.483km -  end >> manual stop caused of weak signal.

Observation at 09 UTC > Before released balloon, it had been raining for about 30 minutes.

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Best regards,

susi