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 i
10/22/2018 8:27:38 AM
Credit: NOAA Photo Library, NOAA Central Library; OAR/ERL/National Severe Storms Laboratory (NSSL)
Subject: Instrumentation