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Position: Home > Articles > Analysis on the Radar Data of Rainstorm from May 25 to 26,2009 in Yingtan Journal of Hebei Agricultural Sciences 2010,14 (7) 155-157+165

鹰潭市5月25~26日暴雨过程雷达资料分析

作  者:
王萱
单  位:
江西省鹰潭市气象局
关键词:
鹰潭市;暴雨;低涡;地面辐合线;分析
摘  要:
利用新一代天气雷达资料、T213资料、高空观测及地面观测、中尺度气象站资料,对2009年5月25~26日鹰潭市暴雨天气过程进行分析,将此次暴雨过程分为2个阶段——冷暖交汇带来的强降水阶段和低涡外围稳定降水阶段。强降水的分布具有明显的中尺度特征;地面中尺度幅合线的存在与维持加强了地面的辐合上升力量,也触发了造成此次过程中的局地强降水的中尺度系统,指出了地面辐合线与强降水区的良好对应关系。
译  名:
Analysis on the Radar Data of Rainstorm from May 25 to 26,2009 in Yingtan
作  者:
WANG Xuan(Yingtan Metorological Bureau,Yingtan 335001,China)
关键词:
Yingtan;Rainstorm;Vortex;Surface convergence line;Analysis
摘  要:
Based on the Doppler radar data,T213 data,high altitude and surface observation data,mesoscale meteorological station data,the rainstorm during May 25-26,2009 in Yingtan was analyzed,which was divided into the heavy rainfall stage caused by the intersection of cold and warm air,and the vortex's peripheral stable rainfall stage.The distribution of heavy rainfall showed very obvious mesoscale characteristics.The surface mesoscale strengthened the convergence ascending motion and triggered the mesoscale system which caused the heavy rainfall.There was perfect corresponding relationship between surface convergence line and heavy rainfall area.

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