长江流域特大暴雨云团生成的有利环境条件研究

The Study of Favourable Environment Conditions for Extreme Heavy Rain Cloud Clusters Forming in the Reaches of Yangtze River

摘要: 综合分析我国长江流域20世纪80和90年代的几次特大暴雨实例发现,江淮切变线和"湿度锋"是长江流域特大暴雨发生发展的有利条件,但不是必要条件,高空的触发系统和低空的西南急流水汽输送才是必要的条件。在不同的高低空系统配置情况

Abstract: The extreme heavy rain cases in 1980s and 1990s in the Reaches of Yangtze River had been analyzed,It had been found that the necessary conditions for excessive rainfall are both the upper trigger system and lower