Based on the NCEP, TBB and observation data, the study of a torrential rain along Meiyu front in Yangtze River during July 9-10, 2003 is made.

• 摘要利用NCEP再分析场、红外卫星云图的TBB值和常规观测资料对2003年7月9-10日长江流域梅雨锋上的一次大暴雨天气过程的成因进行了分析。