{"title":"Analysis of the Effectiveness of Hainan Weather Radar Detecting Tornado","authors":"Li Wei, Wang Yao, Gan Zhiqiang","doi":"10.1109/ICMO49322.2019.9026087","DOIUrl":null,"url":null,"abstract":"There was an convective gale weather event in Danzhou City around 4:00 a.m. on August 29, 2019, Hainan Province, which was identified as class III (ef2) tornado by Hainan Meteorological Service. Before and after the event tornado weather occurred, Hainan radar, regional automatic weather station and other detection equipment have successfully monitored the activity of the convective system, among which the strongest value of echo of Haikou dual polarization radar can reach 55dBZ, and the strongest echo of Dongfang CINRAD/SA radar can reach 50dBZ. The radial velocity products of Haikou radar show that there is a cyclonic wind shear in the lower layer of Danzhou City, the maximum rotation speed is 17m / s, and the intensity belongs to the structure of moderate to weak mesocyclone. These fully reflect the ability of Hainan detection equipment to monitor the tornado weather in real time.","PeriodicalId":257532,"journal":{"name":"2019 International Conference on Meteorology Observations (ICMO)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 International Conference on Meteorology Observations (ICMO)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICMO49322.2019.9026087","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
There was an convective gale weather event in Danzhou City around 4:00 a.m. on August 29, 2019, Hainan Province, which was identified as class III (ef2) tornado by Hainan Meteorological Service. Before and after the event tornado weather occurred, Hainan radar, regional automatic weather station and other detection equipment have successfully monitored the activity of the convective system, among which the strongest value of echo of Haikou dual polarization radar can reach 55dBZ, and the strongest echo of Dongfang CINRAD/SA radar can reach 50dBZ. The radial velocity products of Haikou radar show that there is a cyclonic wind shear in the lower layer of Danzhou City, the maximum rotation speed is 17m / s, and the intensity belongs to the structure of moderate to weak mesocyclone. These fully reflect the ability of Hainan detection equipment to monitor the tornado weather in real time.
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