Xining Meteorological Station will issue a blue rainstorm warning at 17:00 on June 28, 2025: it is expected that from 20:00 on June 28 to 20:00 on June 29, heavy rain will occur in some areas of Datong County, Huangzhong District and Chengzhong District, with the cumulative precipitation of more than 25mm. Heavy rainfall is mainly concentrated from 05:00 on the 29th to 14:00 on the 29th, with a maximum hourly rainfall intensity of 10-20 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 in the rainstorm area should do a good job in preventing rainstorm according to their responsibilities; 2. Schools and kindergartens take defensive measures to ensure the safety of students and young children; 3. Drivers should pay attention to road waterlogging and traffic congestion to ensure driving safety; 4. Cover and hang items outdoors, and transfer materials from low-lying areas that are prone to flooding; 5. Cut off dangerous outdoor power sources in low-lying areas; 6. Check the drainage systems of cities, farmland, and dams, take necessary drainage measures, and maintain safe water levels in ponds and reservoirs.