一次台风暴雨的初步分析 |
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引用本文: | 黄文根,邓北胜,熊廷南.一次台风暴雨的初步分析[J].应用气象学报,1997,8(2):247-251. |
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作者姓名: | 黄文根 邓北胜 熊廷南 |
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作者单位: | 1.北京气象学院大气科学系 |
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摘 要: | 文章对1994年7月12~13日一次登陆台风造成的华北暴雨作了天气动力学诊断分析。分析表明,9406号台风登陆后,台风和太平洋副热带高压间形成的偏东南风低空急流,具有明显超地转特征,它是触发这次台风暴雨的关键系统。Q矢量诊断表明,Q矢量辐合区与暴雨位置较为一致。
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关 键 词: | 台风暴雨 低空急流 Q矢量 诊断分析 |
A Case Study of Typhoon Torrential Rain |
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Institution: | (Beijing Institute of Meteorology, Beijing 100081) |
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Abstract: | In this paper, a case of typhoon torrential rain over North China is analysed using synoptic and Dynamic diagnostic method. The analysis reveals that a southeasterly low level jet between typhoon and West Pacific subtropical high is evidently characterized by supergeostrophic wind, and it is a key system for the typhoon torrential rain over North China. The Q-vector analysis shows that the regions where Q is convergent coincide with torrential rainfall area |
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Keywords: | Typhoon torrential rain Low level jet Q-vector Diagnostic analysis |
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