临夏地区一次雷暴大风等强对流天气分析  

Analysis on a Thunderstorm Winds Strong Convective Weather in Linxia Region

作　　者：马丽婷 刘辉 

机构地区：[1]甘肃省临夏回族自治州气象局,甘肃临夏731100

出　　处：《现代农业科技》2016年第20期169-171,173,共4页Modern Agricultural Science and Technology

摘　　要：受西南暖湿气流和北方弱冷空气共同影响,2016年6月27日午后开始临夏州范围内出现强对流天气。15:34永靖西部出现较强回波,16:38永靖出现雷暴,16:50永靖县陈井乡出现冰雹,回波强度达到45 d BZ,17:03永靖出现15.8 m/s的大风。17:20临夏市出现雷暴,并出现14.7 m/s的大风,东乡出现18.5 m/s的大风,17:25临夏市瞬时风速最大达27.2 m/s,为有观测资料(1943年建立观测站)以来最大值。17:58广河出现雷暴,18:01康乐出现23.6 m/s的大风,18:26康乐出现雷暴。17:55和政县出现18.4 m/s的大风并出现雷暴。18:48积石山居集、18:49临夏县掌子沟、19:19康乐县巴松分别出现了冰雹。此次强对流天气对临夏州部分县市农作物、大棚等经济作物造成了严重的损失。Affected by the southwest warm moist air flows and north weak cold air,there had been strong convective weather in June 27,2016 afternoon in the Linxia range. 15：34 the west of Yongjing County appeared strong radar echo, 16：38 Yongjing County appeared thunderstorm, 16：50 Chenjing Town of Yongjing County appeared hail,the echo intensity increased to 45 dBZ,and 17：03 appeared 15.8 m/s wind.17：20 Linxia City appeared thunderstorm,and appeared 14.7 m/s wind,Dongxiang County appeared 18.5 m/s wind, 17：25 the maximum instantaneous wind speed increased to 27.2 m/s in Linxia City, as the maximum in observations （since the meteorological observation station was been established in 1943 ）.Then Guanghe,Kangle and Hezheng appeared thunderstorm and strong wind. Later Juji Township in Jishishan County,Zhangzigou Township in Linxia County,and Basong Township in Kangle County appeared hail. This strong convective weather caused serious losses on crops,greenhouses and other crops in some counties of Linxia.

关 键 词：强对流 雷暴 大风 冰雹 天气形势特点 物理量特征 甘肃临夏 

分 类 号：P446[天文地球—大气科学及气象学]