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NWS US Radiosonde B & C BUFR High Resolution

Published by DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: April 12, 2026 at 09:26 PM | Dataset Last Updated: January 01, 2021 at 12:00 AM
The Binary Universal Form for the Representation of meteorological data (BUFR) is a binary data format maintained by the World Meteorological Organization (WMO). In 2015 part of the US upper air stations began to include the high resolution radiosonde measurement in their data package sent to the NCEI. These high resolution BUFR files have names as Cnnn, where nnn represents ascension number. The BUFR includes 1) metadata: station information, instrument information, balloon release information; 2) up to 1-second observations: elapsed time, level type, location displacement, pressure, height, temperature, dew point temperature, wind speed, wind direction. Time coverage is September 2015 to present, spatial coverage is US CONUS, Alaska, Hawaii, and territories.

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