河南省寒潮特征分析与中期预报

The Characteristic Analyzing and the Medium Range Forecast of the Cold Wave in Henan

利用 1986～ 1999年气象资料 ,分析了河南省寒潮天气的基本特征和主要天气形势。利用欧洲中心数值预报产品 3层格点实况资料 ,采用相关分析方法 ,分别计算出河南省安阳、洛阳、郑州、西华、信阳各代表站的寒潮消空和预报指标 ,再以欧洲中心 72～ 144h数值预报产品为因子 ,用完全预报方法做出河南省 3～

With the data from 1986 to 1999,the weather situation and the basic characteristic of cold wave in henna can be disposed. First you can conclude the forecast index an the deny index of the four selected station ,then full forecast method can be put into practice and the three level grads real data come along with of the ECWMF product for 24～72h can be used to get the 3～7d medium range cold wave forecast .