Abstract
Abstract The dynamic and thermodynamic influences of the Tibetan Plateau on the temperature geopotential height, horizontal wind, vertical velocity, cloud and precipitation patterns over eastern Asia am physically investigated employing a general circulation model specifically designed for medium range weather prediction. The model is a modification and improvement of the one recently presented by Liou and Zheng. Efficient and accurate numerical techniques have been devised for the computation of the pressure gradient force and the initial field in the vicinity of mountains in the σcoordinate. In addition, a cumulus convection scheme and a liquid water content prediction equation from which the large-scale precipitation may be evaluated have been developed. Utilizing the NMC objective analysis data covering the period from 13 May to 18 May 1979 and in light of the general circulation model experimentation, we find that incorporation of the mountain and the subsequent diabatic heating effects improves the ...
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