Precipitation prediction over the tropics from a global spectral model

T. N. KRISHNAMURTI, H. S. BEDI, D. K. OOSTERHOF

Abstract

This paper describes the capabilities of the Florida State University (FSU) global spectral model in the area of precipitation forecasting over the tropics. Results for the resolution T106 over the monsoon area and for resolution T170 from typhoon forecasts are highlighted. An example of a precipitation forecast from a very high resolution regional model highlights detailed hurricane rainbands and suggests the need to further increase the resolution of global models. The cumulus parameterization is described in the Appendix of this paper.

 

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