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Severe Thunderstorms with Tornadoes and Heavy Rain Threat shifts East for Tuesday

Severe thunderstorms are forecast to develop from the mid-Mississippi River Valley south into the ArkLaTex on Tuesday. These storms can bring large hail, damaging winds, a few tornadoes and flash flooding. Residents should heed any warnings issued and follow local forecast office social media pages for updates. Read More >

Upper-air Observations Program

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.

 

Related Links


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.