ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Multiscale Characteristics Analysis of Liuzhou Server Heavy Rainfall in June, 2007
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Abstract:
Based on multiple meteorological data, including NCEP 1°×1° reanaly sis data, routineobservational data， automatic weather station data, Doppler radar data and FY2C satellite TBB data, the multiscale characteristic of the s erver heavy rain happened in Liuzhou during 12-13 June 2007 was analyzed and its mechanism was also discussed. The results show that: because of the guidance func tion of east plateau low trough on 500hPa, the cold air gone south. The quasis tationary front moved from Guizhou to Guangxi and “the frontl oa better relation to the mesoβscale low vortex disturbance. The precipitati on systems were the convective cloud clusters from south Guangxi and MCC near t he frontal surface. Liuzhou heavy precipitation was created by two rain clusters . Because of the train effect of precipitation echo and ground mesoscale shear line, one of rain clusters had heavy intensity and long persistent time, this wa s a main reason which Liuzhou server heavy rainfall produced.w trough situation” formed at ground surface. The heavy rain developed in the 8 50hPa low trough, the center of heavy rain had
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