[1]于东海,翟玉泰,徐浩彬,等.新会区7月18日雷电致灾过程的分析[J].气象研究与应用,2015,36(03):94-98.
　Yu Donghai,Zhai Yutai,Xu Haobin,et al.Analysis on lightning disaster process on 18th July in Xinhui district[J].Journal of Meteorological Research and Application,2015,36(03):94-98.
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新会区7月18日雷电致灾过程的分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第36卷
期数:
2015年03期
页码:
94-98
栏目:
防雷技术及其他
出版日期:
2015-12-22

文章信息/Info

Title:
Analysis on lightning disaster process on 18th July in Xinhui district
作者:
于东海1;  翟玉泰2;  徐浩彬1;  卢栩诗1
1. 江门市新会区气象局, 广东新会 529100;
2. 恩平市气象局, 广东恩平 529400
Author(s):
Yu Donghai1;  Zhai Yutai2;  Xu Haobin1;  Lu Yushi1
1. Jiangmen Xinhui District Meteorological Service, Xinhui Guangdong 529100;
2. Enping Municipal Meteorological Service, Enping Guangdong 529400
关键词:
雷电灾害; 天气形势; 对流; 不稳定
Keywords:
lighting disaster; synoptic situation; convection; instability
摘要:
利用多普勒天气雷达、风廓线雷达、卫星、闪电定位仪和自动站及常规观测资料对2015年7月18日发生在江门市新会区一次强雷暴过程进行分析。导致此次过程的原因主要有:(1)7月18日08时至14时500hPa副高环流分裂成东西两环,新会处于两高之间的低值区内,大气不稳定;(2)中低层有低涡及切变线维持在珠江三角洲中南部,有利于垂直运动的产生及发展;(3)新会南部古兜山脉的地形抬升作用有利于对流活动的迅速发展及加强。
Abstract:
Based on doppler weather radar, the wind profile radar, satellite, lightning position indicator and automatic station and conventional observation data on July 18, 2015 in xinhui district of jiangmen, a strong thunderstorm process was analyzed. The cause of this process are mainly:(1) 8 AM to 14 PM on July 18th, 500 hpa subtropical circulation splits into two ring, Xinhui was at a low value zone between rings, the atmosphere is instable; (2) in the low level, there is low vortex and shear line maintaining in centre and southern of pearl river delta, which is conducive to the produce and development of vertical movement; (3) lifting effect of Gudou mountain terrain in the southern of Xinhui is beneficial to the rapid development and strengthen of the convective activity.

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备注/Memo

备注/Memo:
收稿日期:2015-5-12。
作者简介:于东海(1984-),男,工程师,从事气象防雷工作。
更新日期/Last Update: 1900-01-01