Extended Abstract

Mesoscale Analysis of A Severe Convective Event in Chongqing byLAPSLI Hongli PENG JuxiangInstitute of Heavy Rain, CMA, WuhanAbstractMesoscale reanalysis fields are built to accurately describe the mesoscalesystem by LAPS ingesting sev eral types of dat a such as satellite, dopplarradar, radiosonde, surface and automatic observations. We use these fields tostudy the local strong convective event in Chongqing from 5 to 6 June 2010.The results show that the supercell sto rm is the main i mpact system, which istriggered by convective cloud moving east from Chuanxi plat eau. In the firstperiod of the strong convective event Chongqing surface is heating rapidly bysolar radiation. The instability energy is very strong. It is dry in the middle andhigh levels and wet in the low lev el. A dry and warm cover occurs at 800hPa,which limits the inst ability in the low level. T riggered by the convective cloud,the inst ability energy releases violently , which causes the strong convectiv eevent with high wind, hail and heavy rain.-142-