冷涡形势下强飑线的雷达探测和临近预报

本文利用北京713雷达探测的分层显示资料和其它探测资料,分析了1987年8月24日强飑线出现的环境场、卫星云图和雷达回波特征。结合以往的探测实践和分析研究结果,指出冷涡形势下,京津冀地区强飑线活动的若干特点和临近预报的着眼点。

Radar detecting and nowcasting of severe squall line in cold vortex pattern

Using the 713 radar data and other meteorological observations, the charactersi-tics of the ambient field condition, satellite imagery and radar echo in the case of a severe squall line on 24th August of 1987 are analyzed in the paper.The important characteritics of the severe squall line activities in Beijing, Tianjin and Hebei Province in cold vortex patternn and some reference points for the nowcasting of squall line are presented here.