三个连续性台风特征分析

“榴莲”、“尤特”、“玉兔”三个台风前后相隔不到4天、20天在同一月份相继登陆广东沿海,且均严重影响粤西地区,在历史同期是首例。本文从有利台风形成、发展的大尺度环流背景、制约台风移向的有利环境场演变和台风登陆带来茂名地区风雨分布悬殊特点进行分析,为探讨热带气旋预报累积一定经验。

An Analysis on Characteristics of Three Consecutive Tropical Cyclones

In the same period in history, it is the first time that three tropical cyclones Durian , "Utor and "Yutu" landed one after another in the coastal area in Guangdong in the same month, and all severely affected the western Guangdong. In this article, an analysis was made on characteristics of favourable large scale circulation background for typhoon genesis and development, evolution of favourable environmental fields guiding typhoon movement, and peculiar wind and rain distribution in Maoming due to typhoon landfall. Some experiences were accumulated in exploration of forecasting techniques for tropical cyclones.