26/11/2017 2:39:00 Sounding (Upper Air Sounding) Sounding (Upper Air Sounding)
What is Sounding (Upper Air Sounding)?
Sounding (Upper Air Sounding) meaning in Safety terms is
- A sampling of upper air conditions made by means of instruments and a small radio transmitter on a free balloon. Automatic radio signals originated by action of weather instruments are sent to a ground receiver. These signals are interpreted for use in analyzing and predicting upper air conditions over a wide area of the earth. Weather elements determined at a number of altitude points as the balloon rises are temperature, atmospheric moisture, pressure, wind direction and speed. Similar soundings may be made using fixed balloons or tethersondes.
- see also: Radiosonde
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