[1]覃艳秋,赖雨薇,刘蕾.柳州夏季一次雨夹冰雹的天气过程分析[J].气象研究与应用,2015,36(01):63-67,129.
　Qin Yanqiu,Lai Yuwei,Liu Lei.Analysis of a Rain and Hail Mixed Weather Process in Summer of Liuzhou[J].Journal of Meteorological Research and Application,2015,36(01):63-67,129.
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柳州夏季一次雨夹冰雹的天气过程分析()
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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01期
页码:
63-67,129
栏目:
天气气候
出版日期:
2015-12-20

文章信息/Info

Title:
Analysis of a Rain and Hail Mixed Weather Process in Summer of Liuzhou
作者:
覃艳秋1;  赖雨薇2;  刘蕾3
1. 柳江县气象局, 广西柳州 545100;
2. 南宁市气象局, 广西南宁 530022;
3. 柳州市气象局, 广西柳州 545000
Author(s):
Qin Yanqiu1;  Lai Yuwei2;  Liu Lei3
1. Liujiang County Meteorological Service, Guangxi Liuzhou, 545100;
2. Nanning Municipal Meteorological Service, Guangxi Nanning, 530022;
3. Liuzhou Municipal Meteorological Service, Liuzhou Guangxi 545001
关键词:
冰雹; 大气不稳定度; 高温
Keywords:
hail; atmospheric instability; High-temperature
分类号:
P458
摘要:
利用常规地面观测、柳州地面自动站、FY-2C卫星、柳州和河池的多普勒天气雷达观测资料,对2014年7月22日夏季柳州发生的一次短暂的雨夹冰雹天气过程的环境条件和雷达产品特征进行分析,主要结果如下:受副高和台风外围气流影响,柳州全市出现了37℃以上大范围的高温天气,天气尺度和中尺度的上升运动较弱,局地性质的加热作用导致大气的不稳定度加强而诱发对流云系进一步发展造成的;雷达显示的冰雹云的最大基本反射率因子为65dBZ,强回波区面积小;风速的切变和辐合上升运动小,0℃层高度较高,不利于对流系统的发展和维持。
Abstract:
Based on data of surface meteorological observation, automatic weather station, FY-2C satellite and the Doppler radar of Liuzhou and Hechi, weather conditions and characteristics of radar products of a rain and hail mixed weather process happened on July 22, 2014 in Summer of Liuzhou were analyzed. The main results show that:influenced by the subtropical high and peripheral airflow of typhoon, the weather of large-scale high temperatures above 37 degrees appeared in Liuzhou.. The Doppler radar products showed that the maximum basic reflectivity radar of hail cloud is 65dBZ with small area of strong echo. The small wind shear and convergence ascending motion, and a high height of 0℃ were not conducive to the development and maintenance of the convective system.

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备注/Memo

备注/Memo:
收稿日期:2014-11-15。
作者简介:覃艳秋(1991-),女,广西柳州,助理工程师,主要从事地面测报、预报工作。
更新日期/Last Update: 1900-01-01