Abstract: Sparsity of conventional data over tropical oceans makes it difficult to analyze well the moisture and divergence fields, and therefore the diabatic forcing of the tropical atmosphere is not well predicted in numerical ...

Abstract: The NCEP?DOE Atmospheric Model Intercomparison Project (AMIP-II) reanalysis is a follow-on project to the ?50-year? (1948-present) NCEP-NCAR Reanalysis Project. NCEP?DOE AMIP-II reanalysis covers the ?20-year? satellite ...

Abstract: In 1997, during the late stages of production of NCEP-NCAR Global Reanalysis (GR), exploration of a regional reanalysis project was suggested by the GR project's Advisory Committee, ?particularly if the RDAS [Regional Data ...

Abstract: he Modern-Era Retrospective Analysis for Research and Applications (MERRA) was undertaken by NASA?s Global Modeling and Assimilation Office with two primary objectives: to place observations from NASA?s Earth Observing ...