ANALYSIS OF THE HEAVY PAIN OCCURING ON MAY9 -10.2009 IN SHANDONG PROVINCE
The large- scale heavy rain process on May 9 -10, 2009 occurred in the middle and northern part of Shandong province was analyzed comprehensively by using conventional weather chart, satellite image, the data observed by regional automatic weather station, CINRAD data Etc. The results showed: The heavy rain in Shandong was due to the stability of large - scale circulation and the stability of mesoscale low - level shear in south part of North China and adequate water transported by convergence of strong winds of Southwest jet at iow - altitude. The water of heavy rain was mainly from the South China Sea;Surface cold front launched the mechanism of release of unstable enegy; Coupling level jets enhanced the development of convection; long duration was a major cause of the formation of heavy rain.
Heavy rainwater vapor fluxjetpseudoequivalent potential temperaturemesoscale convective system
国家科技期刊平台
NSTL
万方数据
维普
