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| 2005年8月21日桂西大暴雨天气分析与降水模拟 | |
| 引用本文： | 曾小团,邓海光,农孟松,张和稳.2005年8月21日桂西大暴雨天气分析与降水模拟[J].气象研究与应用,2005,26(4):5-8. |
| 作者姓名： | 曾小团 邓海光 农孟松 张和稳 |
| 作者单位： | 1. 南京信息工程大学,南京,210044 2. 百色气象局,百色,533300 3. 广西气象台,南宁,530022 |
| 摘 要： | 利用常规、红外云图、雷达资料对2005年8月21日发生在桂西的大暴雨天气过程进行诊断分析,发现造成桂西这次强降雨主要直接影响系统来自低层切变线、高空低槽和地面静止锋。低层切变线是引发此次强降水的主要系统。低层低涡是在桂西强降水发生后才逐渐发展起来的。采用非静力中尺度数值模式(MM 5)对这次大暴雨过程进行初步模拟试验,结果表明模式对这次强降水的雨带分布、暴雨中心强度及其位置的模拟也与实况较为接近。 |
| 关 键 词： | 大暴雨 天气分析 MM5 数值模拟 |
| 文章编号： | 1001-5191(2005)04-0005-04 |
| 修稿时间： | 2005年9月15日 |
The Weather Analysis And Precipitation Simulation For The Rainstorm Of West Of Guangxi On August 21, 2005 |
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| ZENG Xiao-tuan,DENG Hai-guang,NONG Meng-shong,ZHANG He-weng.The Weather Analysis And Precipitation Simulation For The Rainstorm Of West Of Guangxi On August 21, 2005[J].Journal of Guangxi Meteorology,2005,26(4):5-8. | |
| Authors: | ZENG Xiao-tuan DENG Hai-guang NONG Meng-shong ZHANG He-weng |
| Institution: | ZENG Xiao-tuan~1,DENG Hai-guang~2,NONG Meng-shong~3,ZHANG He-weng~2 |
| Abstract: | This paper conducts a diagnostic analysis on the weather process of the rainstorm of west of Guangxi on August 21,2005 by Using conventional,infrared cloud image,radar data,and finds that the main direct influence system comes from the under-layer shear line,the upper air low trough and the ground stationary front.the under-layer shear line was the main system initiating the rainstorm.the under-layer vortex developed gradually after the rainstorm.The preliminary simulation test was carried by means of the non-static medium-scale numerical forecast model(MM5),the result indicated that the simulation for this rainstorm belt distribution,the rainstorm center intensity and its position also approached with the real situation. |
| Keywords: | Severe rainstorm Weather analysis MM5 numerical simulation |
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