每年7月至9月是我国华北地区的汛期,从南部海面上吹来的季风经过长江、华南,进入华北,标志着华北雨季的到来。今年汛期受厄尔尼诺现象的影响,比以往提前了10多天,并且降水现象频发,降水量普遍比往年偏多25%~100%。本文着重分析了厄尔尼诺现象对华北汛期天气的影响。 July to September each year is the flood season in north China. The monsoon blowing from the southern sea surface passes through the Yangtze River and South China and enters North China, marking the arrival of the rainy season in North China. This year’s flood season was affected by the El Niño phenomenon, which was more than 10 days earlier than usual. Precipitation was frequent and the precipitation was generally 25% -100% more than in previous years. This article focuses on the analysis of El Niño weather impact on the weather in North China.