Analysis on Radar Characteristics of a Short-time Heavy Rainfall Event in Wuchuan County

查看全文 作　　者：Jianfei [1]GAO;Xia [2]LI;Xinxing [1]WU;Yu [1]LI;Zirui [1]HUANG

机构地区：[1]Meteorological Bureau of Wuchuan Gelao and Miao Autonomous County,Wuchuan 564300,China;[2]Zunyi Meteorological Bureau,Zunyi 563000,China

出　　处：《Meteorological and Environmental Research》索引2022年第13卷第6期,共7页

摘　　要：Using minute rainfall data of automatic ground station and a variety of products from new generation Doppler weather radar in Wuchuan, the characteristics of a short-time heavy precipitation process on April 23, 2022 were analyzed. The results showed that the appearance of differential reflectivity(ZDR) column and big-value zone of high-elevation ZDR had better indication on short-term heavy rainfall process in Shichao station. Ice phase process played a very important role in particle growth. The storm tracking information product can predict the path of the storm 15 min in advance. The storm stayed and moved less or even turned back to more than two to three scanning volumes in one place, indicating the occurrence of short-term heavy rainfall. One-hour accumulated precipitation(OHP) had a good effect on the estimation of continuous precipitation in a large area where the hourly rainfall exceeded 50 mm for more than two stations. It had the ability to estimate short-term heavy precipitation in areas lacking automatic stations. 关键词：Short-term heavy rainfall Weather radar products Short-term approaching forecast and early warning

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Analysis on Radar Characteristics of a Short-time Heavy Rainfall Event in Wuchuan County

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