2018年8月1—2日河西走廊中部一次局地短时暴雨天气过程分析  

Analysis of a Local Shortterm Rainstorm in the Middle of Hexi Corridor on August 1-2,2018

作　　者：张浩文 崔宇 狄增文 ZHANG Haowen(Zhangye Meteorological Bureau,Zhangye,Gansu 734000)

机构地区：[1]张掖市气象局,甘肃张掖734000 [2]甘肃省气象局,甘肃兰州730020

出　　处：《农业灾害研究》2022年第11期4-7,共4页Journal of Agricultural Catastrophology

摘　　要：利用张掖市加密自动站降水资料、MICAPS天气图、FY2G卫星云图、多普勒雷达资料等,分析了2018年8月1—2日发生在河西走廊中部的一次短时暴雨过程。结果表明,这是一次是在副高外围暖湿气流控制下,大气高湿高能,在青海东部生成的对流云团沿副高外围584线朝着西北方向移动,到了山丹南部,同时底层有弱冷空气,中层有较强的干冷空气入侵,共同影响下造成的一次局地短时暴雨天气。In this paper,a short-term rainstorm occurred in the middle of Hexi Corridor on August 1-2,2018 was analyzed by using the precipitation data of Zhangye encrypted automatic station,MICAPS weather map,FY2G satellite cloud map,Doppler radar data,etc The results show that this was a local short-term rainstorm caused by the control of warm and humid air flow around the subtropical high,high humidity and high energy in the atmosphere,convective cloud clusters generated in the east of Qinghai moving northwest along the 584 line around the subtropical high and reaching the south of Shandan.At the same time,there is weak cold air at the bottom and strong dry and cold air intrusion in the middle.

关 键 词：短时暴雨 副高外围 对流云团 

分 类 号：P458.121.1[天文地球—大气科学及气象学]