台风Mindulle变性再发展的特征及机理研究  

Characteriscs and Mechanism Analysis of Extratropical Transition and Reintensification of Midnulle(2004)

作　　者：朱先德[1] 王启[1] 陈优宽[2] 

机构地区：[1]中国海洋大学海洋环境学院,山东青岛266100 [2]山东省气象局,山东济南250031

出　　处：《中国海洋大学学报（自然科学版）》2010年第8期18-26,共9页Periodical of Ocean University of China

基　　金：国家重点基础研究发展规划项目(2009CB421500);国家自然科学基金项目(40675060);国家科技部项目(2006AA09Z151)和(2009CB421504);中国气象局项目(GYHY200706031)资助

摘　　要：对于2004年台风Mindulle登陆入海再发展进行研究分析。通过演变特征的分析,发现在台风北移时,冷空气入侵台风低层,台风经历一个变性再发展的过程,台风在高层一直保持暖心结构,并且在台风的西侧形成一个冷锋面结构,而在北侧为一个暖性锋面结构,使得暖空气被迫抬升,冷空气也逐渐包围了台风。冷平流与来自暖海面的暖平流交汇使得暖湿的海面对流加剧。同时高空急流入口处辐散区与台风低压的重合和西风槽的东移,对台风的维持和再发展起到了重要的作用。By analysing of the features of landfalling typhoon ＂Mindulle＂,we found that the typhoon had gone through a degenerative process of further development when it moved northward.And a warm core structure had remained in the upper-level of Mindulle.Due to the injection of cold air north,a cold front formed in the west side of typhoon,while a warm front formed in the north side of typhoon.Warm air was forced uplift in this condition.Meanwhile Mindulle was surrounded by the cold air.From the diagnosis we found that the cause of Mindulle＇s development was the intrusion of cold air and the warm temperature advection in the lower from sea surface.Meanwhile the divergence of Mindulle located on the right side of the entry of upper jet and the moving eastern of westerly trough played an important role.

关 键 词：台风Mindulle 登陆 变性 再加强 

分 类 号：P444[天文地球—大气科学及气象学]