A cold front moving through the eastern U.S. will bring thunderstorms and heavy rainfall to that part of the country today, with localized flash flooding possible from the Northeast to the Deep South. Severe thunderstorms are possible across the Northeast and northern Mid-Atlantic. Out west, windy, dry conditions are keeping fire weather threats elevated. Read More >
The National Weather Service (NWS) Upper-air Observations Program is managed by the Office of Observations (OBS), which is part of NWS Headquarters located in Silver Spring, Maryland. Upper-air Program staff oversee the operation of 92 Radiosonde stations in North America and the Pacific Islands. It also supports the operation of 10 stations in the Caribbean. Radiosondes provide upper-air data that are essential for weather forecasts and research. OBS staff are also involved in the development, testing and implementation of new radiosonde ground systems.
Fact Sheet - Information on radiosondes.
Network Maps - Maps showing station locations.
Special Studies - NWS HQ radiosonde data studies
Background - History of upper-air observations.
FAQ - Frequently Asked Questions
NCEI - NOAA/National Centers for Environmental Information. Official source for archives of NWS upper air soundings.
NWSM 10 1401 Rawinsonde Observations Handbook - This manual provides instructions on how to take an upper air observation with NWS equipment.
