At 18:00 on September 4, 2025, Haidong Meteorological Observatory upgraded the blue rainstorm warning to yellow: it is expected that from 17:00 on September 4 to 17:00 on September 5, Haidong Huzhu North (Nanmen Gorge, Linchuan, Taizi, Donghe, Wufeng, Bazaar), Hualong North (Bayan, Xiejiatan, Shidacang, Chuma, Jinyuan, Taga), Ping an South (Sanhe, Shihuiyao, Gucheng, Bazanggou), Ledu South (Zhongba, Putai, Qutan, Fengdui, Chengtai), Minhe West (Xiamen, Lieerbao, Gangou, Guanting), there will be heavy rain in the west of Xunhua (Galeng, Wendu, Gangcha), and the cumulative precipitation will reach 25~45mm. Among them, there may be rainstorm in Hualong County (Xiongxian, Chafu, Zaba, Angsiduo, Ertang), Minhe County (Xigou, Gushan, Manping), and Daowei in Xunhua County, and the cumulative precipitation will reach 50~70mm. The heavy rainfall is mainly concentrated from 20:00 on the 4th to 02:00 on the 5th, with a maximum hourly precipitation of 20-30 millimeters. During the process, there will be short-term heavy rainfall, hail, thunderstorms, strong winds and other severe convective weather. The meteorological risks of secondary disasters such as landslides, mudslides, floods in small and medium-sized rivers, flash floods, and urban and rural waterlogging are relatively high. Please pay attention to prevention. Defense guidelines: 1. The government and relevant departments should do a good job in preventing rainstorm according to their responsibilities; 2. The public security traffic management department takes traffic control measures on heavily rainy roads based on road conditions; 3. Primary and secondary schools, as well as kindergartens, take protective measures to ensure the safety of students and young children; 4. Transfer materials from low-lying and easily flooded areas, and cut off outdoor power sources that pose a danger in low-lying areas.