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Subjective evaluation of the combined influence of satellite temperature sounding data and increased model resolution on numerical weather forecasting

Robert Atlas, Milton Halem, Michael Ghil

Abstract

The present evaluation is concerned with (1) the significance of prognostic differences resulting from the inclusion of satellite-derived temperature soundings, (2) how specific differences between the SAT and NOSAT prognoses evolve, and (3) comparison of two experiments using the Goddard Laboratory for Atmospheric Sciences general circulation model. The subjective evaluation indicates that the beneficial impact of sounding data is enhanced with increased resolution. It is suggested that satellite sounding data posses valuable information content which at times can correct gross analysis errors in data sparse regions.

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Available abstract

Key concepts: Depth sounding, Satellite, Environmental science, Atmospheric sounding, Remote sensing, Meteorology, General Circulation Model, Resolution (logic)