华西秋雨较常年偏早8天开启 未来十天华西地区雨日增多

Core Insights - The 2025 autumn rain in the Huaxi region of China began on August 25, which is 8 days earlier than the average start date of September 2 [1][2] - The Central Meteorological Administration forecasts an increase in rainy days and significant cumulative rainfall in the Shaanxi-Gansu-Sichuan border area over the next ten days [1][5] Summary by Sections Weather Phenomenon - Huaxi autumn rain is a unique weather phenomenon in the Huaxi region during autumn (September to November), characterized by prolonged rainy weather due to the interaction of cold and warm air masses [1] - The rainfall during this period is generally less than in summer, but persistent or heavy rainfall can lead to autumn floods [1] Affected Regions - The administrative regions primarily affected by Huaxi autumn rain include Hubei, Hunan, Chongqing, Sichuan, Guizhou, Shaanxi, Ningxia, and Gansu, covering 6 provinces, 1 municipality, and 1 autonomous region [1] Rainfall Forecast - The forecast indicates that from September 3 to 12, there will be multiple rainy days with significant cumulative rainfall in the Shaanxi-Gansu-Sichuan border area [5] - Specific dates of heavy rainfall are expected from September 3 to 6, and again from September 8 to 12, with localized heavy rain in certain areas [5]