NOAA and its predecessor agencies have been using various instruments to observe the weather since the 1800s. Here, a pilot balloon is launched from a U.S. Coast Guard vessel.
Revised
February 14, 2007
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National Oceanic and Atmospheric Administration | U.S. Department of Commerce
http://celebrating200years.noaa.gov/foundations/weather_obs/wea01122_650.html
National Oceanic and Atmospheric Administration | U.S. Department of Commerce
http://celebrating200years.noaa.gov/foundations/weather_obs/wea01122_650.html