NCEP-DOE Reanalysis II (R2) is an improved version of the NCEP-NCAR Reanalysis I (R1). The improvements include an updated model, better physical parameterizations and assorted error fixes. The NCEP-DOE Reanalysis 2 project is using a state-of-the-art analysis/forecast system to perform data assimilation using past data from 1979 through the previous year. A large subset of this data is available from PSD in its original 4 times daily format and as daily averages.
Data variable and Path:
Monthly and 6-hourly