At 03:23 on August 21, 2025, Luliang Meteorological Station upgraded and issued a yellow rainstorm warning signal. The warning areas are Shilou County, Zhongyang County and Jiaokou County. In the past 6 hours, the warning area has experienced short-term heavy rainfall with a maximum rainfall intensity of over 30 millimeters per hour and precipitation of over 50 millimeters. It is expected that there will be short-term heavy rainfall with a maximum rainfall intensity of 20-40 millimeters per hour and precipitation of over 50 millimeters in the next 6 hours. Please prepare relevant units and personnel for prevention. Defense guidelines: 1. Local people s governments at all levels, relevant departments and units should do a good job in preventing rainstorm according to their duties, check the drainage system of cities, farmland, fish ponds and other important facilities, clean the drainage pipelines in time, and do a good job in drainage. 2. Public security traffic management departments should encrypt traffic information prompts based on road conditions and implement targeted traffic guidance measures on different road sections. 3. Primary and secondary schools, as well as kindergartens, may advance or postpone the start and end of school hours, take protective measures, and ensure the safety of students and young children when going to and from school. 4. Drivers should timely understand traffic information and the road conditions ahead. When encountering deep water accumulation on the road or under overpasses, they should try to detour and avoid forced passage. 5. Pedestrians should avoid low-lying areas such as under bridges and culverts, and should not take shelter or stay in dangerous areas; Avoid walking in deep water. 6. Check the safety of electrical circuits, stoves, and other facilities, cut off dangerous outdoor power sources in low-lying areas, suspend outdoor operations in open spaces, and relocate personnel and residents of dangerous buildings to safe locations.