Based on the analysis of characteristic of circulation and meteorological variables,and comparing the effects of two ″cold of the late spring″ weather events on mountain fruit in the Weifang,Shandong Province,it is found that the warm temperature in the early spring is the key factor.
通过对 2 0 0 1年 3月下旬产生的“倒春寒”天气的环流特征和气象要素的分析 ,探讨了“倒春寒”天气对山区果品业的影响。
Using 500hPa grid data over the Northern Hemisphere,the circulation features at the corresponding and earlier stages of the late spring chilling in March over Yunnan are analysed.
运用北半球 5 0 0 h Pa格点资料 ,分析了 3月倒春寒天气发生的同期、前期 5 0 0 h Pa环流特征。