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| 绵阳“9．22～27”持续暴雨过程特征及成因分析 | |
| 引用本文： | 龙美希,胡欣,肖天贵,陈伟斌.绵阳“9．22～27”持续暴雨过程特征及成因分析[J].成都信息工程学院学报,2010,25(1):69-77. |
| 作者姓名： | 龙美希 胡欣 肖天贵 陈伟斌 |
| 作者单位： | 1. 成都信息工程学院大气科学学院,四川,成都,610225;绵阳市气象局,四川,绵阳,621000 2. 中国气象局公共气象服务中心,北京,100081 3. 成都信息工程学院大气科学学院,四川,成都,610225 4. 广西自治区气象台,广西,南宁,530022 |
| 摘 要： | 利用常规实测资料、NCEP刷CAR再分析资料、T213分析资料，对绵阳地区2008年9月22—27日出现的持续性暴雨过程进行环流形势及物理量场分析，结果表明：此次降水过程可分为两个明显的降水时段，其区域不同、强度不一；副高、冷空气、两条水汽通道以及台风是此次过程的主要影响系统；第一降水时段的各物理量水平皆大于第二时段，不稳定能量、水汽和气流的辐合、辐散区分布及上升下沉气流的位置和强度对暴雨的强度和落区预报有较好的指示意义。 |
| 关 键 词： | 大气科学 暴雨灾害 持续性暴雨 影响系统 物理量诊断 |
The Characteristics and Causes Analysis of the Persistent Heavy Rainfall Event over the Mianyang During 22-27 September |
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| LONG Mei-xi,HU Xin,XIAO Tian-gui,CHEN Wei-bin.The Characteristics and Causes Analysis of the Persistent Heavy Rainfall Event over the Mianyang During 22-27 September[J].Journal of Chengdu University of Information Technology,2010,25(1):69-77. | |
| Authors: | LONG Mei-xi HU Xin XIAO Tian-gui CHEN Wei-bin |
| Institution: | 1.Chengdu University of Information Technology;Chengdu 610225;China;2.Mianyang Bureau of Meteorology;Mianyang 621000;3.Public Weather Service Center;China Meteorological Administration;Beijing 100081;4.Guangxi Bureau of Meteorology;Nanning 530022;China |
| Abstract: | Based on the conventional observation data,the NCEP / NCAR reanalysis data and T213 data,the circulation and physical quantity field of persistent heavy rainfall in Mianyang area between 22 and 27 of September,2008 are analyzed, the results showed that: the process of the persistent heavy rainfall can be divided into two distinct periods,the regions and precipitation intensity of them are different.The subtropical high,weak cold air,two water vapor channels and the typhoon are the mainly influencing systems... |
| Keywords: | atmospheric sciences torrential rain and disasters persistent heavy rainfall influencing systems physical quantity field diagnosis |
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