- Monthly Northern Hemisphere Tropospheric Analyses
The DSS assembled this long time-series collection of monthly
gridded Northern Hemispheric data from the output of various
operational models. Monthly mean grids are available separately for
00Z and 12Z (or 03Z and 15Z in the earlier years). Parameters
include temperature, geopotential height, and u- and v- wind
components at various tropospheric levels, and sea-level pressure
and surface temperature. The data are presented on a 47-by-51 north
polar stereographic grid with a 381 kilometer resolution (at 60N).
We continue to update this dataset mainly for users who have used it
in the past and wish to continue receiving the same format.
Particularly from April 1997 on, the grids in this dataset are
derived from NCEP operational outputs that have a better resolution
that what is offered here, so please consider those other
more-recent datasets especially if your needs are for data from the
late 1990s onward.
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