| Summary: | This dataset contains twice daily gridded Northern Hemisphere analyses from National Meteorological Center's (NMC) operational model on 47x51 and 65x65 polar-stereographic grids centered on the North Pole. Available parameters include geopotential height, temperature, stream functions, thickness, and vertical velocity for various levels and layers through the troposphere. The National Center for Environmental Prediction (NCEP) prepared the 65x65 analyses, and were an advancement over the 47x51 "B-3" analyses. Later NCEP made global analyses, from which the 65x65 analyses were interpolated. To continue the 47x51 analyses, The National Center for Admospheric Research (NCAR) Computational Information Systems Laboratory (CISL) Data Support Section (DSS) extracted them from the 65x65 grid. This dataset is maintained by NCAR's DSS. Please see the external link for data access.
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