2013年5月桂林市连续性暴雨天气过程分析  

Analysis on Continuous Heavy Rain Weather Process in Guilin in May 2013

作　　者：秦丽[1] 唐熠[1] 郑媛[1] 

机构地区：[1]广西壮族自治区桂林市气象局,广西桂林541001

出　　处：《现代农业科技》2016年第18期189-192,共4页Modern Agricultural Science and Technology

摘　　要：对2013年5月6—10日连续性暴雨过程发生前后的天气形势和云图、雷达进行分析,结果表明:此次过程的主要影响系统是高空阶梯槽和切变线及地面冷空气共同影响。本次过程500 h Pa南支活跃,不断有小槽东移,地面冷空气以扩散形式南下,造成一波波降水。降水特点是强对流不明显,但降水强度和时间长。此次连续性暴雨天气,不仅导致桂林漓江、全州湘江、兴安大溶江超过了警戒水位,也让平乐、兴安、资源、全州等多个地市遭受了不同程度的灾害。It was analyzed that weather conditions ,cloud images and the radar of the continuous rainstorm process occurred in May 6th-10th, 2013.The results showed that the main impact system of the process was the common influence of the aerial ladder and shear line and ground cold air. 500 hPa South Branch was active, there had been small trough eastward ,cold air moved southward by diffusion causing a wave of precipitatiun.The precipitation characteristic was that strong convection was not obvious, but the precipitation intensity and time wag long.Continuous heavy rain not only led to the Lijiang River in Guilin,Xiangiiang River in Quanzhou and Darongjiang in Xing＇an exceeded the warning level,but also cause Pingle, Xing＇an, Ziyuan, Quanzhou and many other cities suffer different degrees of disasters.

关 键 词：连续性暴雨 高空阶梯槽 切变线 地面冷空气 广西桂林 2013年5月 

分 类 号：P458.121.1[天文地球—大气科学及气象学]