中长期天气预报

他的研究是建立在欧洲中长期天气预报中心（ECMWF）在这场大洪水开始之前的5天的数据的基础之上的。

His work was based on data that was available from the European Centre for Medium-Range Weather Forecasting ( ECMWF ) five days before the deluges began .

奇偶对称性用于中长期天气预报初探

An attempt to use odd / even symmetry and symmetry theory for medium and long range weather forecasting

目前这方面的研究已经取得了一定的成绩，对中长期的天气预报具有重要的应用价值。

Now , there are some achievement in this field which has an important application value in long-term weather forecast .

因此，研究中纬度气旋的统计规律，有利于提高中长期的天气预报的准确度。

So that making research on the statistics of the winter mid-latitude cyclone is good for improving the accuracy in medium-range and long-range weather forecast . First , the cyclone-tracking algorithm of previous author has been revised .