【摘要】 分析了 10 0 h Pa南亚高压的变化、5 0 0 h Pa位势高度距平特征与云南雨季开始期早晚的对应关系 ,归纳总结了 El Nino和 L a Nina事件与西南季风建立、雨季迟早的联系 ,提出了云南雨季开始早迟的预报思路。更多还原

【Abstract】 The relationship between Yunan rainy season early or late onset and South Asia high variation at 100hPa,geopotentical height anomaly feature over mid high latitude at 500hPa was analysed.It is concluded that characteristic law of El Nino/La Nino events and southwest monsoon onset,Yunnan rainy season early or late onset was presented.The forecast thinking of Yunnan rainy season early or late onset was suggested.更多还原