"Classic" NMC Global Analyses

NMC Initialized Data from 2.5 degree grid, 2 times daily
NCEP Global Tropospheric Analyses, daily 1976Jul-1997Apr12
NCEP Global Analyses on 145x37 2.5 degree grids, one for each hemisphere, 1976Jul01-1997Apr12. Has surface, tropospheric, tropopause, and lower stratospheric analyses; at mandatory levels up to 50mb.

Products Derived from this Dataset

Daily Data
NCEP Global Analyses on 145x37 2.5 degree grids, one for each hemisphere, 1976Jul01-1997Apr12. Has surface, tropospheric, tropopause, and lower stratos pheric analyses; at mandatory levels up to 50mb.
Twice daily, at 00Z and 12Z.
Monthly Means
Monthly Global Analyses on T42 grids, one for each hemisphere, 1976Jul01-1997Apr12, derived from twice daily data.

Missing Days and Comments on Data Quality
References
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