9012台风倒槽结构与暴雨中尺度系统

利用高空资料、地面资料和红外卫星云图资料,对发生在浙江中北部的9012台风倒槽暴雨的机制进行分析,揭示了该台风倒槽的结构和暴雨的环境场。并进一步研究了产生暴雨的中尺度暴雨云团及其周围的垂直气流分布与地面降水的对应关系。对暴雨云团所对应的高、中、低(地面)层系统亦进行了分析。

An Analysis of the Structure of the North-Permanent Trough of Typhoon 9012 and Mesoscale Systems of the Heavy Rain

The machanism of the heavy rain occurred in the central and northern areas of Zhejiang Province, caused by the trough north of Typhoon 9021, has been inverstigated. The structure of the trough is analysed. Furthermore, the vertical velocity distribution around the cluster and the association with the heavy rain areas have been discussed. Finally,the mesoscale weather systems, from the ground to the upper level,around the cloud cluster have been also studied.