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NCEP/NCAR Reanalysis (1948-present)

Published by NOAA NMFS SWFSC Environmental Research Division | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 27, 2026 | Last Modified: 2022-09-03T00:00:00.000+00:00
The NCEP/NCAR Reanalysis 1 project is using a state-of-the-art analysis/forecast system to perform data assimilation using past data from 1948 to the present. Data is from NMC initialized reanalysis (4x/day). See the PROBLEMS LIST at https://www.esrl.noaa.gov/psd/data/reanalysis/problems.shtml

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