| 辽宁省一次区域性大暴雨天气过程分析 |
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| 引用本文： | 王桂春,宋若宁.辽宁省一次区域性大暴雨天气过程分析[J].安徽农业科学,2010,38(32):18333-18336. |
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| 作者姓名： | 王桂春 宋若宁 |
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| 作者单位： | 1. 辽宁省大连市金州区气象局,辽宁大连,116100
2. 南京信息工程大学滨江学院,江苏南京,210044 |
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| 摘 要： | 利用常规气象资料、卫星云图和雷达回波,对2010年7月19~22日发生在辽宁地区的区域性大暴雨、局地特大暴雨的天气过程进行分析。结果表明：西南涡、副热带高压是此次大暴雨产生的主要天气系统,低涡、高空槽、切变线是产生大暴雨的动力机制。大暴雨与低空急流有密切的关系,低空急流是通过中尺度脉冲的形式向下游传播动量、热量和水汽,充足的水汽来源于孟加拉湾。
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| 关 键 词： | 大暴雨 天气形势 西南涡 副热带高压 低空急流 辽宁省 |
Analysis of a Regional Heavy Rainstorm Weather Process in Liaoning Province |
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| WANG Gui-chun et al.Analysis of a Regional Heavy Rainstorm Weather Process in Liaoning Province[J].Journal of Anhui Agricultural Sciences,2010,38(32):18333-18336. |
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| Authors: | WANG Gui-chun |
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| Institution: | WANG Gui-chun et al (Jinzhou District Meteorological Bureau of Dalian City in Liaoning Province,Dalian,Liaoning 116100) |
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| Abstract: | Based on the conventional meteorological data,,satellite image and radar echo,regional heavy rainstorm and local torrential rain from July 19th to July 22nd in 2010 in Liaoning were analyzed.The results showed that southwest vortex and subtropical anticyclone were the main weather systems which resulted from the heavy rainstorm.The dynamic mechanism of heavy rainstorm 's appearance were low vortex,upper trough and shear line.Heavy rainstorm was closely related with low-level jet,low-level jet spread momentu... |
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| Keywords: | Heavy rainstorm Weather situation Southwest vortex Subtropical anticyclone Low-level jet Liaoning Province |
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