一次连续暴雨过程的数字化雷达回波分析

本文利用武汉WSR-81S数字化雷达的Column Maximum图象产品资料,分析了1987年8月18日至21日发生在长江中游地区的一场连续暴雨过程。把这次过程分为局地暴雨和区域暴雨两个阶段。分析它们的发生、发展的雷达演交特征及形成的原因。

An analysis on digitized radar echoes of a continuous heavy rain process

In this paper, a continuous heavy rain process, which occurred over the middle reaches of Changjiang River between 18-21, August, 1987, is analysed using Column Maximum Pictures of WSR-81S digital radar data in Wuhan City. It is divided into two stages: local heavy rain and areal heavy rain. Their features during the initial and developing periods are discribed and the reasons are discussed.