The Weak Cold Air Influence upon Heavy Rain in August 1996 and Its Simulation
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Abstract:
The stream field and thermohyet field of heavy rain in August 1996 were analysed and the low-level weak cold air influence on the heavy rain by means of MM4 model was studied.The results indicate that the weak cold air has noticeable effects on the falling area and intensity of the torrential rain.It is favorable to low-level convergence and upward current as well as vapor and energy accumulation in Hebei province.