| 广西"6.12"特大暴雨中西南涡与中尺度对流系统发展的相互关系研究 |
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| 引用本文： | 陈涛,张芳华,端义宏.广西"6.12"特大暴雨中西南涡与中尺度对流系统发展的相互关系研究[J].气象学报,2011,69(3):472-485. |
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| 作者姓名： | 陈涛 张芳华 端义宏 |
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| 作者单位： | 中国气象局国家气象中心,北京,100081 |
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| 基金项目： | 973“南方暴雨”项目横向课题“2008年我国南方暴雨中尺度数值模拟和诊断分析(2012208)” |
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| 摘 要： | 基于多种观测和数值模式模拟资料,在位涡守恒和反演理论的框架下,对2008年广西"6.12"特大暴雨过程中的西南低涡系统发展过程及其伴随的中尺度对流系统活动特征进行了分析.从天气系统的综合分析看,低涡系统在初始阶段发展相当迅速,东移过程中低空西南急流有明显增强,为中尺度对流系统的活动提供了良好的环境条件.对位涡的诊断分析...
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| 关 键 词： | 西南涡 中尺度对流系统 位涡 数值模拟 |
| 收稿时间： | 2009/4/21 0:00:00 |
| 修稿时间： | 2009/12/15 0:00:00 |
A study of relationship between a southwest vortex and the mesoscale convective systems during the severe 6.12 rainstorm event in Guangxi province |
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| CHEN Tao,ZHANG Fanghua and DUAN Yihong.A study of relationship between a southwest vortex and the mesoscale convective systems during the severe 6.12 rainstorm event in Guangxi province[J].Acta Meteorologica Sinica,2011,69(3):472-485. |
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| Authors: | CHEN Tao ZHANG Fanghua and DUAN Yihong |
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| Affiliation: | CHEN Tao ZHANG Fanghua DUAN Yihong National Meteorology Center,China Meteorological Administration,Beijing 100081,China |
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| Abstract: | Under the theory framework of potential vorticity(PV) conservation,the evolution of a southwest vortex which induced severe rainstorms happening in Guangxi province and the Mesoscale Convective Systems(MCSs) companied with this vortex was analyzed based on various observation data and numerical simulation results.According to the synthetic analysis of synoptic weather systems,the low vortex developed rather rapidly in the beginning,and the southwest low level jet strengthened distinctly which created a suit... |
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| Keywords: | Southwest vortex Mesoscale convective systems Potential vorticity Numerical simulation |
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