[1]杨淑华,梁进秋,张玉芳,等.冰雹天气的多普勒雷达特征统计分析[J].自然灾害学报,2014,23(03):101-106.[doi:10.13577/j.jnd.2014.0313]
 YANG Shuhua,LIANG Jinqiu,ZHANG Yufang,et al.Statistical characteristics analysis of doppler radar of hail weathers[J].,2014,23(03):101-106.[doi:10.13577/j.jnd.2014.0313]
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冰雹天气的多普勒雷达特征统计分析
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
23
期数:
2014年03期
页码:
101-106
栏目:
出版日期:
2014-05-30

文章信息/Info

Title:
Statistical characteristics analysis of doppler radar of hail weathers
作者:
杨淑华 梁进秋 张玉芳 陈真 贾利芳 李腊平
山西大同市气象局, 山西 大同 037010
Author(s):
YANG Shuhua LIANG Jinqiu ZHANG Yufang CHEN Zhen JIA Lifang LI Laping
Datong Meteorological Bureau, Datong 037010, China
关键词:
多普勒雷达冰雹统计分析
Keywords:
Doppler radarhailstatistical analysis
分类号:
P49
DOI:
10.13577/j.jnd.2014.0313
摘要:
利用山西省北部大同市2006-2011年多普勒雷达产品及地面观测资料,选取冰雹直径大于等于4mm的20次冰雹天气过程进行统计分析。结果表明: 大同新一代多普勒雷达能监测冰雹天气的发生发展和演变,对责任区内的冰雹具有较好的指示作用。春季冰雹在预报上具有更大的难度,预报时应着眼于三体散射现象及速度场特征,当出现三体散射现象且速度场出现速度辐合、逆风区和切变等特征时应启动冰雹预警。夏季冰雹特征为三体散射现象对冰雹的预警具有大约40 min的提前量;速度场出现辐合、逆风区、中气旋、大风区和切变等特征,一般在20~30 min左右出现冰雹;
Abstract:
Using Doppler radar products and surface observation data of Datong City in Northern part of Shanxi Province during 2006-2011 and selecting 20 hailing process with hail diameters greater than or equal to 4mm, the hail weathers were statistically analyzed. Results show that, Datong’s new generation of Doppler radar can monitor the development and evolution of hail weather, and has a good indicative effect to responsibility area. Spring hail is more difficult to forecast, forecast should focus on the three-body scattering phenomena and the characteristics of velocity field, hail early monitoring should be started when the three-body scattering phenomenon appears and the speed convergence, wind velocity field and shear characteristics occur. Features of hail weather in summer include: three-body scattering phenomenon of hail leads about 40 minutes; velocity field displays convergence, adverse wind area, cyclone, gale area and shear characteristics, generally hail appears after 20-30 minutes.

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 BAO Yunxuan,QIN Wenna,GAO Ping,et al.Spatiotemporal change patterns of hail disaster in Jiangsu Province during recent 30 years[J].,2012,21(03):197.
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备注/Memo

备注/Memo:
收稿日期:2013-5-21;改回日期:2013-7-15。
基金项目:山西省气象局资助项目(SXKYBDQ20127431)
作者简介:杨淑华(1968-),女,高级工程师,主要从事天气预报研究.E-mail:yshysh609@sohu.com
更新日期/Last Update: 1900-01-01