During the early 1980s, NSSL and University of Oklahoma researchers place TOTO(TOtable Tornado Observatory) in the path of an on-coming tornado.It would measure temperature, pressure, relative humidity etc.It would record the data on tape inside the
10/22/2018 8:27:39 AM
Date: April, 1985
Credit: NOAA Photo Library, NOAA Central Library; OAR/ERL/National Severe Storms Laboratory (NSSL)
Subject: Instrumentation