| 广西前汛期两次暴雨天气过程对比分析 |
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| 引用本文： | 黄远盼,宁玉梅,莫家尧.广西前汛期两次暴雨天气过程对比分析[J].气象研究与应用,2014(1):12-16,35. |
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| 作者姓名： | 黄远盼 宁玉梅 莫家尧 |
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| 作者单位： | 贺州市气象局;北流市气象局;来宾市气象局; |
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| 摘 要： | 利用micaps常规观测资料及客观分析资料,对2013年4月29日和5月10日出现的两次暴雨天气过程的影响系统及物理量进行对比分析,结果表明：（1）“4·29”过程主要是受高原槽和低空急流影响,“5·10”过程主要是受南支槽、低空切变和地面冷空气影响,无明显的低空急流相配合;（2）“4·29”的不稳定能量环境条件和水汽条件比“5·10”过程的要好,垂直系统更加深厚,但辐合上升条件相对较弱.
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| 关 键 词： | 低空急流 不稳定能量 动力条件 水汽条件 |
Comparison Analysis of Twice Heavy Rain Weather Processes during Pre-rainy Season of Guangxi |
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| Institution: | Huang Yuan-pan, Ning Yu-inei, Mo Jia-rao (1.Hezhou Municipal Meteorological Service, Hezhou Guangxi 542800; 2. Beiliu Municipal Meteorological Service, Beiliu Guangxi 537400; 3. Laibin Municipal Meteorological Service, Laibin Guangxi 546100) |
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| Abstract: | Based on mieaps routine observation data and objective analysis data, twice heavy ram weather process of influence systems and physical parameters appearing on 29th April and 10th May 2013 were analyzed. The results showed that： （1） “ 4·29th” process was mainly affected by the plateau trough and the low level jet, “ 5·10th” process was mainly affected by the southern trough, low shear and ground cold air, the low level jet in no apparent; （2） “4·29th” unstable energy environment condition and moisture condition was better than that of the “ 5· 10th” process, the vertical system more profound, but rising convergence condition was relatively weak. |
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| Keywords: | low-level jet unstable energy dynamic conditions water vapor condition |
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