[1]刘桂华,李永荣,黄河,等.2015年5月桂北两次暴雨天气过程对比分析[J].气象研究与应用,2016,37(01):38-42.
　Liu Gui-hua,Li Yong-rong,Huang He,et al.Comparative analysis on twice torrential rain weather processes in May 2015 of northern Guangxi[J].Journal of Meteorological Research and Application,2016,37(01):38-42.
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2015年5月桂北两次暴雨天气过程对比分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第37卷
期数:
2016年01期
页码:
38-42
栏目:
天气气候
出版日期:
2016-12-20

文章信息/Info

Title:
Comparative analysis on twice torrential rain weather processes in May 2015 of northern Guangxi
作者:
刘桂华;  李永荣;  黄河;  廖明
蒙山县气象局, 广西蒙山 546700
Author(s):
Liu Gui-hua;  Li Yong-rong;  Huang He;  Liao Ming
Menshan County Meteorological Service, Mengshan Guangxi 546700
关键词:
桂北; 暴雨; 环流特征; 物理量; 分析
Keywords:
northern Guangxi; torrential rain; circulation characteristic; physical quantity; analysis
分类号:
P458.1+21
摘要:
利用micaps常规观测资料,采用天气动力学分析方法,对2015年5月中旬在广西北部地区出现的两次暴雨天气过程进行分析,结果表明:(1)两次强降雨天气过程都受地面冷空气、低空切变线和高空波动东移影响,其中15-16日暴雨过程前期为暖区暴雨,后期为锋面暴雨;19-20日暴雨过程为地面静止锋和低空切变线在桂北地区来回摆动引起的锋面暴雨;(2)15-16日暴雨过程的动力条件和水汽条件较好,19-20日暴雨过程的不稳定能量更加有利于暴雨天气的持续;(3)物理量场的大值中心及要素值的变化对两次暴雨预报有很好的参考意义。
Abstract:
Based on micaps conventional observation data, the weather dynamics analysis method, twice torrential rain weather processes in May 2015 of northern Guangxi were analyzed. The results show that:(1) two heavy rain weather processes were affected by grounding cold air, low-level shear line and highaltitude volatility eastward, in which the early stage of torrential rain appearing on 15th-16th was warmsector rainstorm and late stage rainstorm turned into frontal rainstorm while frontal torrential rain happening on 19th-20th caused by ground stationary front and the low-level shear line swinging in northern Guangxi. (2) The first rainstorm process have better dynamic condition and moisture condition while the unstable energy of second raining process is more conducive to the continuous heavy rain. (3) The center of large value and elements variation of physical quantity has very good reference for heavy rain forecast.

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备注/Memo

备注/Memo:
收稿日期:2015-10-15。
作者简介:刘桂华(1984-),广西梧州市蒙山县人,助理工程师,主要从事天气预报预警服务管理工作。
更新日期/Last Update: 1900-01-01