Analysis of Heavy Rainfall Event on June 13th in Chongqing

An analysis of a heavy rainfall event over the west of Chongqing on June 13th ，2002 is made. It is shown that the event resulted in a typical coupling of plateau vortex and southwest vortex，in addition the influence of the weak cold air. And it is shown that the general circulation forecast capability of the models of ECMWF and T213 is relatively high，however，part of physical elements products of T213 models and its precipitation forecast should be improved.

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