Daily report from Sipora Dec 6, 2011

Dear friends,

This is daily report on December 6, 2011 (00 –  21 UTC).

Weather condition:

Day   : very cloudy at 06:30 (LT), but clear all day long, and cloudy (thin cloud in middle an upper) at 18:30 (LT).

Night : clear

Atmospheric condition:

Day:

>temperature : 24.1 at 06:30 (LT),   30.4 at 9:30 (LT),  32.1 at 12:30 (LT),  30.8 at 15:30 (LT), and decrease to 27.3 at 18: 30  (LT).         

    > humidity      :  91 at 06:30 (LT), and decreased to 67, 61, 60, at 9:30 (LT), 12:30 (LT), 15:30 (LT), and 76 at 18:30 (LT)

Night:

> temperature: 25.0 at 21:30 (LT),   24.5 at 01: 30 (LT),   and 23.6 at 03:30 (LT).

> humidity      : 87, 86, 89  at 21:30 (LT), 01: 30 (LT), and 03:30 (LT).

Maximum elevation : around 20 km and above (around 22 km)

Surface wind speed 0.0 at night. Day to night, mostly flight direction were vertical.

Comments:

-          Many raw PTU/ wind data were lose around 9 -12 km height and near tropopausa (when balloon was launched at 6:30)

-          Above 12 km, raw PTU/ wind data base lacked for many levels. EDT wind data were lose between 11.9 km and 13.3 km, and 20,3 km – last (when balloon was released at 12:30).

 

Best regards,

susi