海南闪电监测定位系统资料检验和分析  

Testing and Analysis on Lightning Direction Finder Data in Hainan Province

作　　者：陈有龙[1] 郭冬艳[1] 李凡[1] 

机构地区：[1]海南省气象台,海南海口570203

出　　处：《气象研究与应用》2010年第1期94-97,I0002,共5页Journal of Meteorological Research and Application

基　　金：中国气象局气象新技术推广预报员专项"海南闪电资料分析应用及雷电预报预警方法"(CMATG2009YB07)资助

摘　　要：利用2007～2008年海南省闪电监测定位资料和同期海南雷电灾害个例及人工观测雷电的数据进行对比,分析总结海南闪电监测定位系统的定位误差、漏测率和误测率;并在此基础上,指出闪电监测定位资料应用中存在的若干问题及其应用前景。结果表明:海南省发生闪电绝大多数为负地闪;与雷击灾害事故对比来看,海南省闪电定位仪探测漏测率和闪击落地的定位精度平均误差偏大,但与人工观测雷暴日对比结果表明平均探测漏测率在技术标准允许范围内;晴空闪电日误测率属于技术标准允许范围;闪电定位系统的探测时间精度基本可信;闪电定位仪探测数据与降水分布的同步监测结果基本吻合,可反映出雷暴移动方向、路径及发生、发展趋势。总体来看海南省闪电定位系统数据可信度基本达到应用标准。Based on the lightning direction finder data and the lightning disasters during 2007-2008 in Hainan, the location error, omission and false rate of lightning data were analyzed. The results show that most cloud-to-ground flashes are negative. The omission rate is acceptable comparing with manual observation ,but that the location error is somewhat big in disasters forecasting. The false rate in sunny days and the time accuracy of lightning direction finder are perfectly in the standard range. It also shows that the lightning direction finder data can give the forecast information on moving direction, path, the occurrence and development trends of thunderstorms.

关 键 词：闪电定位资料 误差 检验 

分 类 号：P427.32[天文地球—大气科学及气象学]