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气象:1993,19(12):9-12
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台风暴雨次天气系统影响因素及扰动传播路径
(1.天津市气象台 300074;2.中国气象科学研究院)
The Effect of Subsynoptical Scale System on the Typhoon Heavy Rain and Disturbance Propagation Track
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中文摘要: 研究了台风暴雨次天气、中尺度系统发生、发展的影响因素。数值试验表明,台风外围环流与中纬系统相互作用可促发局地次天气尺度、中尺度系统的新生扰动,造成非均匀分布的台风暴雨云团及雨带,且大地形强迫效应在暴雨系统形成中亦起重要作用。台风环流与地形辐合抬升作用可促发中尺度扰动,并以类似重力波特征的波列路径向外传播。
Abstract:The factors of the generation and development of the mesoscale and Subsynoptical Scale Systems are Studied. Numerical experiments show that the interaction between the circulation of the typhoon outer region and middle latitude synoptical system can trigger off the local disturbance and result in the formation of the cloud cluster and rain belt and the large topographic forcing played an importantrole. The effect of the tropical cyclones and its lifting of the topographic convengence can cause mesoscale disturbance, propagating in the way such as gravity wave.
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引用文本:
解以扬,徐祥德,1993.台风暴雨次天气系统影响因素及扰动传播路径[J].气象,19(12):9-12.
,1993.The Effect of Subsynoptical Scale System on the Typhoon Heavy Rain and Disturbance Propagation Track[J].Meteor Mon,19(12):9-12.