一次暴雨天气过程的多普勒雷达特征分析

利用新一代多普勒天气雷达资料和常规天气资料,详细分析了2008年7月30—31日鄂尔多斯市北部地区出现暴雨的天气过程。结果表明:从雷达资料中可以清楚地看出降水的性质,及降水性质转变的具体时间(从暖区降水转为冷锋后降水)、冷锋的位置、降水云系的强弱、降水天气开始和结束的时段,降水云团何时加强、何时减弱等特征。

A heavy rainfall Doppler radar of characteristics

using of a new generation of Doppler weather radar data and routine weather data, the synoptic process of torrential rain were analyzed on the July 30, 2008 -31 days Ordos City, the weather in northern regions of the process of heavy rain. The results show that From the radar data can be clearly seen the nature of precipitation, and precipitation changes in the nature of the specific time （from the warm zone into the cold front precipitation in precipitation）, a cold front location, the strength of precipitation cloud systems, precipitation weather beginning and end of the period, precipitation, cloud when the enhanced features such as when to weaken.