| "2004.11.09"深秋大暴雨过程分析 |
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| 引用本文： | 郑沛群,范爱芬,董美莹."2004.11.09"深秋大暴雨过程分析[J].科技通报,2007,23(1):28-31. |
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| 作者姓名： | 郑沛群 范爱芬 董美莹 |
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| 作者单位： | 浙江省气象台,杭州,310017 |
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| 摘 要： | 利用常规气象资料、多普勒雷达资料和中尺度地面自动气象站资料等,分析了2004年11月9日浙江东南沿海地区的深秋大暴雨过程。结果表明本次大暴雨过程是在有利的天气尺度背景下,地面辐合线上中尺度对流系统不断发生发展而产生。其中高低空急流、中尺度对流系统和地形对本次大暴雨过程的发生发展起主要作用。
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| 关 键 词： | 大暴雨 高低空急流 中尺度对流系统 地形 |
| 文章编号： | 1001-7119（2007）01-0028-04 |
| 收稿时间： | 2005-09-28 |
| 修稿时间： | 2005年9月28日 |
"2004.11.09" Autumn Torrential Rain Analysis |
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| ZHENG Pei-qun,FAN Ai-fen,DONG Mei-ying."2004.11.09" Autumn Torrential Rain Analysis[J].Bulletin of Science and Technology,2007,23(1):28-31. |
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| Authors: | ZHENG Pei-qun FAN Ai-fen DONG Mei-ying |
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| Institution: | Zhejiang Provincial Meteorological Observatory, Hangzhou 310017,China |
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| Abstract: | According to the data of the conventional meteorological observation,Doppler radar and surface mesa-scale auto-observation,the autumn torrential rain process at the southeast coastal area of Zhejiang province on November 9th,2004,that seldom occurs in the previous,is analyzed.The results show that the torrential rain take place under the background of favorable synoptic-scale atmospheric circulation conditions where the mesa-scale convective systems occur and develop successively on the surface convergence line.Further more,it is emphasized that the jets at high and low levels,the mesa-scale convective systems and the particular topographic forcing play highly important roles in the occurence and development of the late autumn torrential rain process. |
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| Keywords: | torrential rain jets mesa-scale convective system particular topographic forcing |
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