| “5.8”桂东北暖区暴雨成因及漏报难点分析 |
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| 引用本文： | 廖铭燕,黄远盼,梁珊珊.“5.8”桂东北暖区暴雨成因及漏报难点分析[J].气象研究与应用,2012,33(1):27-29,55. |
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| 作者姓名： | 廖铭燕 黄远盼 梁珊珊 |
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| 作者单位： | 贺州市气象局,广西贺州,542800 |
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| 摘 要： | 利用常规天气图和数值预报资料,对2011年5月8发生在广西东北部的一次大范围较强降水过程的成因和预报失误的原因进行了分析,结果表明:高空波动和低空突然增强的南亚季风急流的共同作用,700～500hPa风切变引起的辐合上升以及干线入侵是造成这次强降水过程的主要原因。这次暴雨过程漏报的主要原因是:天气形势配置不是很有利,对中层干侵入的分析不够深入。
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| 关 键 词： | 暖区暴雨 成因分析 南亚季风急流 干侵入 预报难点分析 |
Causes of “5.8” Warm Area Rainstorm and Forecast Difficulties Analysis in Guangxi Northeast |
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| Liao Ming-yan,Huang Yuan-pan,Liang Shan-shan.Causes of “5.8” Warm Area Rainstorm and Forecast Difficulties Analysis in Guangxi Northeast[J].Journal of Guangxi Meteorology,2012,33(1):27-29,55. |
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| Authors: | Liao Ming-yan Huang Yuan-pan Liang Shan-shan |
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| Institution: | (Hezhou Municipal Meteorological Service,Hezhou Guangxi 542800) |
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| Abstract: | Basing on the conventional weather data and numerical prediction data,the wide range strong precipitation process in the northeast of Guangxi on May 8,2011 were analyzed.The results show that the cause of the precipitation was the combined effect of high altitude fluctuations and South Asian monsoon jet in low-altitude suddenly enhancing,accompanied with the convergence caused by 700-500hPa wind shear and dry air intrusion.The main reason for omission forecasting of the rainstorm is without unfavorable weather situation configuration and deep analysis on the middle-level dry air intrusion. |
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| Keywords: | warm areas rainstorm cause analysis South Asian Monsoon Jet dry air intrusion forecast difficulties |
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