Analysis on Torrential Rain Caused by "Bilis" and "Sepat" in South-East of Hunan Using Doppler Radar Data
“碧利斯”与“圣帕”引发湘东南特大暴雨雷达回波对比分析

Using the Doppler radar data in Shaoguan,Guangdong Province and other conventional meteorological data,the mesoscale system features of torrential rain in southeast of Hunan Province caused by strong tropical cyclone "Bilis" and super-typhoon "Sepat" were analyzed.Results show that,there are easterly system events with significant topography effect;the helix band echoes and merging echoes are the main stages of heavy rainfall with the warm and low centroid and high efficiency of precipitation features.The "...