0212号强热带风暴过程分析

0212号强热带风暴“北冕”对闽南粤东地区造成严重影响。利用天气形势、T213数值预报产品和本站气象要素等资料,对“北冕”强热带风暴进行了综合分析。分析表明,引导气流的调整,高空辐散场的抽气作用使“北冕”路径改变,强度加强：低空偏南风急流的存在和维持源源不断输送水汽,强烈的辐合上升运动,大气层结极不稳定是强热带风暴后部暴雨产生和维持的条件。

Analysis of Severe Tropical Storm 0212

The severe tropical storm "Kammuri" brought severe disaster to southern Fujian and eastern Guangdong.Based on the synoptic situation,T213 numerical weather prediction product and local meteorological data,the severe tropical storm "Kammuri" are analyzed synthetically.The results indicate that the adjustment of steering flow and the air pumping action of upper divergence field resulted in the storm strengthening and the path changing.The conditions that the torrential rain took place and sustained at the tail of "Kammuri" include the low-level south-west jet stream,the continuous water vapor transportation,the strong upward vertical movement,and the extreme instability of atmospheric stratification.