浙江北部地区梅汛期末次暴雨分析

对１９６１￣１９９５年浙江北部的杭州、嘉兴、湖州、绍兴５地区（称浙江北部地区）梅汛期末次暴雨的气候特征进行了分析。通过对历年梅汛期末次暴雨的５００ｈＰａ环流形势、温度平流及高度场变化的分析，得出了浙北梅汛期末次暴雨气候规律，发现蒙古高压东和多南压、高原暖高压东移以及蒙古地区或高原地区的日平均高度场增高与浙梅汛期末次暴雨有密切的关系。在此基础上总结出了末次暴雨的预报着眼点。

The Analysis of the Last Heavy Rain of Mei yu Period in the North Zhejiang Province

The climate characteristics of the last heavy rain of Mei yu period in North Zhejiang province from 1961 to 1995 was analysed. By analyzing circulation situation,temperature advection and height field change at 500 hPa,the climate regulation of the last heavy rain of Mei yu period in North Zhejiang province was presented. The results showed that the last heavy rain was related to the South eastward Mongolia warm high,the eastward Plateau warm high and daily mean height rising over Mongolia or the Plateau. The forecasting focus of the last heavy rain of Mei yu period in the North Zhejiang province was suggested.