淮北市一次冷涡暴雨过程诊断分析  

Diagnosis Analysis of a Cold Vortex Rainstorm Process in Huaibei City

作　　者：张永芹[1] 党修伍[1] 孙金贺 王苏瑶 汪付华[1] 袁野 ZHANG Yong-qin;DANG Xiu-wu;SUN Jin-he(Huaibei City Meteorological Bureau of Anhui Province,Huaibei,Anhui 23503)

机构地区：[1]安徽省淮北市气象局,安徽淮北235037

出　　处：《安徽农业科学》2018年第20期148-150,共3页Journal of Anhui Agricultural Sciences

摘　　要：利用常规数值预报资料,对2016年7月1日发生在淮北市一次局地暴雨天气过程的降水形势、环流特征、物理量、雷达回波、卫星云图等进行较全面系统的分析。结果表明,此次强降水主要是由于冷涡在东移过程中携带冷空气下滑造成的;沙氏指数、K指数、抬升指数、对流稳定度指数、风暴强度指数等对局地强对流天气发生发展有较好的指示作用;卫星云图和雷达回波也能很好地把握对流云团的发生发展,是目前短时临近预报的较好工具。Using conventional numerical forecasting data,a more comprehensive and systematic analysis of the precipitation situation,circulation characteristics,physical quantities,radar echoes,satellite cloud maps,etc. during a local heavy rain event in Huaibei City on July 1,2016 was carried out.The results showed that this heavy precipitation was mainly caused by the cold air escaping during the eastward move; Showalter index,K index,uplift index,convective stability index and storm intensity index had a good indication of the development of local strong convective weather.Satellite cloud maps and radar echoes could also well understand the development of convective cloud clusters. It was a better tool for short-term nowcasting.

关 键 词：暴雨 环流形势 物理量 卫星云图 雷达回波 

分 类 号：S161.6[农业科学—农业气象学]