| 2008年云南省秋季连阴雨天气的环流及水汽特征分析 |
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| 引用本文： | 黄慧君,李庆红,高月忠.2008年云南省秋季连阴雨天气的环流及水汽特征分析[J].甘肃气象,2009,27(3):207-212. |
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| 作者姓名： | 黄慧君 李庆红 高月忠 |
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| 作者单位： | 黄慧君,李庆红(云南省大理州气象局,云南,大理,671000;云南省季风与气象灾害研究实验室,云南,昆明,650032);高月忠(云南省大理州气象局,云南,大理,671000;南省季风与气象灾害研究实验室,云南,昆明,650032) |
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| 摘 要： | 对云南省2008年10月24～11月6日严重连阴雨天气的环流和水汽特征进行分析.结果表明:本次连阴雨过程是在副热带高压强度较强、位置偏西、槽前西南气流和副高外围西南气流都有利于水汽向云南输送的环流背景下,中低层受槽前西南气流、低空急流和切变线的影响下产生的.在整个连阴雨期间对流层低层都有充足的水汽,连阴雨前期水汽来源于孟加拉湾和南海2个通道的汇合,而连阴雨后期水汽主要来源于南海.整个连阴雨期间云南全省或大部均处于水汽辐合区内,区域性强降雨出现在水汽通量散度<-32×10-7g·(hPa·s)-1·cm-2的区域.
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| 关 键 词： | 连阴雨 环流特征 水汽分析 |
Characteristics of Circulation and Moisture Flux During a Continuous Autumn Rain Process in 2008 in Yunnan Province |
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| HUANG Huijun,LI Qinghong,GAO Yuezhong.Characteristics of Circulation and Moisture Flux During a Continuous Autumn Rain Process in 2008 in Yunnan Province[J].Gansu Meteorology,2009,27(3):207-212. |
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| Authors: | HUANG Huijun LI Qinghong GAO Yuezhong |
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| Affiliation: | 1.Dali Meteorological Bureau of Yunnan Province;Dali 671000;China;2.Monsoon and MeteorologicalDisaster Research Laboratory of Yunnan Province;Kunming 650032;China |
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| Abstract: | The circulation and moisture flux characteristics at middle and lower levels during a continuous autumn rain process from October 24 to November 6 of 2008 in Yunnan Province were analyzed.Results show that during this weather process the western Pacific Subtropical High at 500 hPa went west and was stronger than average,and the southwest air currents in front of the trough and in the periphery of Subtropical High were beneficial to water vapor transportation to Yunnan.Its influence systems were the southwes... |
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| Keywords: | continuous autumn rain circulation feature water vapor analysis |
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