【摘要】 本文根据季节预报的要求,对上海的春雨按总雨日数和雨日分布特征进行了分类,发现上海春雨的类型和前冬(12—2月)乌拉尔山阻塞高压日数有很好的相关性。最后,对1979年春雨类型作了预报,得到了较好的结果。更多还原

【Abstract】 Spring rainfall at Shanghai is classified according to the number of total rain days and the characteristic distribution of the rain days. The category of spring rain is found to be well related to the number of days with Ural blocking high in the preceding winder (Dec.-Feb.). Finally, a forecast was made with good results for the category of spring rainfall in 1979.更多还原