| 惠州市2012年秋季一次罕见连阴雨天气过程分析 |
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| 引用本文： | 杨柳,吴蔚,李明华,刘建龙.惠州市2012年秋季一次罕见连阴雨天气过程分析[J].广东气象,2013(5):1-5. |
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| 作者姓名： | 杨柳 吴蔚 李明华 刘建龙 |
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| 作者单位： | 惠州市气象局,广东惠州516003 |
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| 基金项目： | 广东省气象局项目《珠三角地区降水的气候变化特征和城市化影响》（2011C05）;惠州市科技局项目《惠州市城市内涝预报警服务平台开发和应急联动机制研究》（2012146）. |
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| 摘 要： | 对惠州市2012年秋季一次罕见连阴雨天气过程,从天气形势、物理量等方面进行诊断分析,结果表明：连阴雨天气主要发生在冷暖气流频繁交汇的有利大尺度环流天气背景下,冷空气持续影响、副热带高压持续偏强偏西和西南风持续异常偏强是造成此次罕见连阴雨天气的主要原因.
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| 关 键 词： | 天气学 连阴雨 极涡 西南风异常 惠州市 |
Analysis of a Rare Sustained Rain Process in the Autumn of 2012 in Huizhou City |
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| YANG Liu,WU Wei,LI Ming-hua,LIU Jian-long.Analysis of a Rare Sustained Rain Process in the Autumn of 2012 in Huizhou City[J].Journal of Guangdong Meteorology,2013(5):1-5. |
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| Authors: | YANG Liu WU Wei LI Ming-hua LIU Jian-long |
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| Institution: | (Huizhou Meteorological Bureau, Huizhou 516003, China) |
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| Abstract: | A rare sustained rain that happened in the autumn of 2012 in Huizhou city is diagnostically studied from the viewpoint of synoptic situation and physical quantities. The result showed that sustained processes of rain mainly take place under favorable synoptic background of large-scale circulation that fea- tures frequent meeting between cold and warm air currents. The sustained effect of cold air, the extended presence of a strong and westward-located subtropical high and the sustained duration of an anomalously strong southwest wind are manly responsible for this rare process of rain weather. |
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| Keywords: | synoptics sustained rain polar vortex southwest wind anomaly Huizhou city |
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