“717”庐山雷击事件分析

Analysis of a Lightning Disaster Event on July 17, 2002 in Lushan Mountain

通过对 2 0 0 2年 7月 1 7日雷电过程的天气形势、卫星云图、多普勒雷达资料 ,以及雷电探测定位系统资料的分析 ,指出水汽云图上的强水汽累积区、雷达回波上的回波合并与高层强回波区以及雷达回波速度场上的“零值线”等特征 。

Some instructive conclusions are given through analyzing the data of synoptic situation, satellite image, Doppler radar and lightning locating system of the course of lightning disaster on July 17. It is emphasized that it is important in judging the occurrence of lightning and convective weather to find the features such as strong vapor cumulating area in moisture chart, integrated echo and high strong echo area in the chart of radar echo and zero value line occurred in the velocity field of radar echo.