Stabilized weather balloons
Aerology  - FLOW-TRONIC


In comparison with classical weather balloons, stabilized balloons remain always in laminar flow and are distinguished by a strong reduction of parasite movements as well in the vertical as in the horizontal axis. The result of this are two major consequences. They allow to obtain excellent wind measures on reduced vertical intervals : an error lower than 0,5 m/s is typically obtained with GPS sondes on 100 meter layers, whereas this error is multiplied by a factor 4 with classical balloons. With same wind conditions their ascent is much more vertical than with classical balloons. When ground conditions are bad (strong winds) they allow easier launchings than standard balloons which are submitted to parasite movements pushing the balloons to the ground. To reach an easiest way of launching by strong wind and bad conditions, these balloons may be delivered with “on line” dereelers allowing a launching by only one operator. Classical weather balloons present in the troposphere a flow

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