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辽宁省强对流性天气的气候特征分析
引用本文:陈传雷,吴晓峰,孙晓巍,王颖,王太微,魏晓琳.辽宁省强对流性天气的气候特征分析[J].气象与环境学报,2010,26(3):27-33.
作者姓名:陈传雷  吴晓峰  孙晓巍  王颖  王太微  魏晓琳
作者单位:1.沈阳中心气象台,辽宁 沈阳 110016;2.沈阳区域气候中心,辽宁 沈阳 110016;3.东港市气象局,辽宁 东港 118300
基金项目:辽宁省气象局2008年科研课题 
摘    要:利用1962—2008年辽宁强对流性天气观测资料,对冰雹、龙卷、雷雨大风和短时强降雨4种强对流性天气的气候特征进行统计分析。结果表明:辽宁冰雹沿海少、内陆多,内陆又以东、西部山区为最多;6月和9月为多发期;15—16时出现最多;83.9%的冰雹持续时间为0—10 min。龙卷沿海多、内陆少;7月和9月为多发期;13—14时和17—18时发生最多;75.0%的龙卷持续时间为5—20 min。雷雨大风沿海和内陆均存在多发区域;5—6月为雷雨大风多发期;15—16时出现最多。短时强降雨自西向东逐渐增加,主要出现在6—8月,21—22时出现次数最多;短时降水极值为26—105 mm/h。

关 键 词:强对流性天气  冰雹  龙卷  雷雨大风  短时强降雨  
收稿时间:2010-2-3
修稿时间:2010-4-8

Climatic characteristics of severe convective weather in Liaoning province
CHEN Chuan-lei,WU Xiao-feng,SUN Xiao-wei,WANG Ying,WANG Tai-wei,WEI Xiao-lin.Climatic characteristics of severe convective weather in Liaoning province[J].Journal of Meteorology and Environment,2010,26(3):27-33.
Authors:CHEN Chuan-lei  WU Xiao-feng  SUN Xiao-wei  WANG Ying  WANG Tai-wei  WEI Xiao-lin
Affiliation:1. Shenyang Central Meteorological Observatory, Shenyang 110016, China;2. Shenyang Regional Climate Center, Shenyang 110016, China;3. Donggang Meteorological Bureau, Donggang 118300, China
Abstract:Based on the observation data of severe convective weather in Liaoning province, the climatic characteristics of hail, tornado, thunderstorm and gale, and short-time heavy precipitation were analyzed. The results show that hail often occurs in inland regions of Liaoning province, especially in eastern and western mountains regions. However, it seldom occurs in coastal regions. Hail is frequent in June and September in a year and from 15:00 to 16:00 in a day. The lifespan of 83.9% hail is 0-10 min. Tornado often happens in coastal regions and seldom in inland regions. It is frequent in July and September in a year and from 13:00 to 14:00 and from 17:00 to 18:00 in a day. The lifespan of 75.0% tornado is 5-20 min. Thunderstorm and gale usually occurs in coastal and inland regions. It is frequent in May and June in a year and from 15:00 to 16:00 in a day. Short time heavy precipitation increases from the west to the east in Liaoning province. It is frequent from June to August in a year and from 21:00 to 22:00 in a day. Its extreme value ranges from 26 mm/h to 105 mm/h.
Keywords:Severe convective weather  Hail  Tornado  Thunderstorm and gale  Short-time heavy precipitation  Climatic characteristics
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