“狮子山”奇异路径及业务预报着眼点的初步分析

Analysis on Bizarre Track and Operational Forecasting Concern of Severe Tropical Storm Lionrock

利用热带气旋业务资料、数值模式分析场等产品从大气环流、双台风作用角度简要分析了1006号强热带风暴"狮子山"奇异路径的形成原因,结果表明同时存在的热带气旋"南川"和"圆规"所产生的双台风作用对"狮子山"路径有重要影响,并针对业务中的预报着眼点进行了分析和讨论。

Based on the operational tropical cyclone data, numerical weather products, and the synoptic analysis method, study is carried out for the cause of the bizarre track of severe tropical storm Lionrock （No. 1006）. Results show that, during the lifespan of Lionrock, there were another 2 tropical cyclones active in northwestern Pacific within 1500 km, which had an important influence on Lionrock＇ s movement through interaction of binary typhoons. Furthermore, the operational forecasting concerns are analyzed and discussed.