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![Rawinsonde weather balloon just after launch nssl0020.jpg Rawinsonde weather balloon just after launch](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_nssl0020.jpg?itok=KMVylLyT)
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https://www.noaa.gov/media/digital-library-photo/pl23nssl0020jpgDescription
Rawinsonde weather balloon just after launch. Notice a parachute in the centerof the string and a small instrument box at the end.After release it measures many parameters.These include temperature, relative humidity, pressure, and wind speed.This information is transmitted back to surface observers. (Image credit: NOAA Photo Library, NOAA Central Library; OAR/ERL/National Severe Storms Laboratory (NSSL))