1、前期气候特点今年进入汛期后,由于冷空气活动偏北,副热带高压偏强、位置偏西,导致云南省大部地区晴天日数多,光照充足,气温偏高,雨量偏少,多阵性降水,未出现大范围的低温寡照阴雨天气。盛夏末期滇东、滇中、滇西和滇东北的部分地区由于降水较少,出现了不同程度的夏旱、伏旱 1. Pre-climatic characteristics After entering the flood season this year, due to the northward movement of cold air and the strong subtropical high, the location is westward. As a result, the sunny days in most areas of Yunnan Province are large and the sunshine is abundant. The temperature is too high, Precipitation, there is no wide range of low temperature oligo rainy weather. Late summer end of eastern Yunnan, central Yunnan, western Yunnan and northeastern part of Yunnan due to less precipitation, there have been varying degrees of summer drought, summer drought