Causal Analysis of a Severe Local Heavy Rainfall near a Cold Front in Southern Shandong Province
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Abstract:
A severe local heavy rain occurred in the southern Shandong Province on 2 September 2004 was simulated by use of the next generation mesoscale nonhydrostatic model WRF. The causes of the heavy rain are analyzed with the reasonable simulation results. The results show that the highhumidity area in the inverted trough of a typhoon is vapor sources. The mesoscale convergence line in the lower stratosphere played a very important role. The smallscale vortex near the front is the direct cause of the heavy rain. Terrain is a trigger mechanism and the interaction between typhoon inverted trough and front enhanced the precipitation.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.