吉林地区降雹天气形势及预报指标  

Prediction Indices and Weather Situation of Hall in Jilin Province

作　　者：马虹旭[1,2] 杨仲江[1] 王伟[2] 孙杰 

机构地区：[1]南京信息工程大学大气物理学院雷电科学与技术系,江苏南京210044 [2]辽宁省防雷技术服务中心,辽宁沈阳110015 [3]吉林省吉林市气象台,吉林吉林132013

出　　处：《安徽农业科学》2010年第15期8003-8005,共3页Journal of Anhui Agricultural Sciences

基　　金：公益性行业科研专项(GYHY200806014);南京信息工程大学项目(E30JG0730)

摘　　要：分析了1980～1999年吉林地区降雹前一日和当日天气形势。结果表明,该地区降雹的主要天气形势有高空槽、冷涡、高空锋区和横切变(含高空西北气流)4种。通过分析,建立了该地区降雹的天气模式,总结出有、无降雹发生及降雹大致落区的预报指标。The weather situation of hall-day and the previous day during 1980-1999 in Jilin Province were analyzed.The results showed that there are four main weather situation of hall,which are upper trough,cold vortex,upper air front area and transverse shear（including upper northwest airflow）.The weather model of hall in this area was established,the prediction indices of with or without hall and the rough hail area were summarized.

关 键 词：冰雹 天气形势 预报指标 

分 类 号：P426.64[天文地球—大气科学及气象学]