出典:Wiktionary
出典:『Wiktionary』 (2025/11/11 17:28 UTC 版)
weather balloon (plural weather balloons)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/21 20:14 UTC 版)
A weather or sounding balloon is a balloon (specifically a type of high altitude balloon) which carries instruments aloft to send back information on atmospheric pressure, temperature, humidity and wind speed by means of a small, expendable measuring device called a radiosonde. To obtain wind data, they can be tracked by radar, radio direction finding, or navigation systems (such as the satellite based Global Positioning System (GPS).
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