13th Launch (04.13.2015)

posted Jun 1, 2015, 1:56 PM by Manuel Roca

Relative Humidity & Temperature

Observe the clear stratification among low, middle and high clouds.The low clouds have a high  level of relative humidity in contrast to middle clouds.
TRH_13th_launch
(Click on the figures to enlarge)

Water Vapor

The mixing ratio profile shows a high amount of humidity of the low clouds. Observe that middle clouds layer has a considerable width.
Xppmv_13th_launch
(Click on the figures to enlarge)

Ascent rate

In this case the balloon was filled at 500 bar, for that, the ascent rate was reduced to 4.4 m/s. As usual, there was high variability in the ascent rate until 8 km.
Ascent_rate_13th_launch
(Click on the figure to enlarge)

Balloon trajectory

For the third consecutive time, the wind below the tropopause was southeastward and above it was westward, like a shear kind.
Trajectory_13th_launch
(Click on the figures to enlarge)

Metadata

The principal parameters of launch preparation and flight are shown in the table below.
Metadata_13th_launch

Photo gallery

Taken from the launching point. Some pictures show the direction towards they were taken. 
Notice the presence of several cumulus and altocumulus around all sky.

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