On July 31, officers and soldiers of the Beijing Armed Police Corps transferred people in the area of Liulihe Town, Dashihe, Fangshan District, Beijing. Su Peng and Du Jiang took photos and reported that on July 31, the staff carried out emergency drainage at the waterlogged section of Zhongshan West Road, Shijiazhuang City, Hebei Province. Photographed by Zhang Xiaofeng (Xinhua News Agency) On July 31, members of the emergency rescue team loaded sandbags to reinforce the south embankment of Taitou section of Daqing River in Jinghai District, Tianjin. The core reading of Jin Bosun Mengmeng's photo report has seen rainstorm to heavy rainstorm in Beijing, Tianjin, Hebei and other parts of the country in recent days, and extremely heavy rainstorm in some parts of the country. Affected by rainfall, significant floods occurred in the Haihe River Basin. In order to ensure the safety of people's lives and property, multiple regions and departments have initiated emergency response, mobilized manpower and resources, and worked together to carry out flood prevention and disaster relief work. At 18:00 on July 31, the Central Meteorological Station continued to issue the rainstorm red warning and the severe convection yellow warning. The meteorological monitoring shows that since 8:00 on July 29, rainstorm to heavy rainstorm has occurred in most parts of Beijing, Tianjin, central and southern Hebei and northeastern Hebei, eastern Shanxi, central and southwestern Shandong, and northern Henan, and extremely heavy rainstorm has occurred in some regions, with a cumulative rainfall of 100-300 mm. The maximum accumulated rainfall occurred in Lincheng County, Xingtai, Hebei Province, reaching 994.6 mm. The maximum hourly rainfall in the above areas is 40-90 millimeters, with local areas exceeding 100 millimeters. Multiple regions and departments have taken rapid action to comprehensively carry out flood prevention and drainage, emergency rescue and other work. The national level IV emergency response for disaster relief was launched. Affected by heavy rainfall, the Haihe River basin suffered from large watershed floods, among which Ziya River, Yongding River and Daqing River suffered from serial number floods. Sixteen rivers, including Yongding River in Beijing, its tributaries Qingshui River, Juma River and Dashi River, its tributary, Beili River, a tributary of Fuyang River in Hebei Province, and Songxi River, a tributary of Hutuo River in Shanxi Province, have experienced over alert floods, of which four rivers, including Songxi River, Beili River, Juma River, and Dashi River, have exceeded 0.35 meters to 2.33 meters, and six rivers, including Yongding River, its tributaries Qingshui River, and Dashi River, its tributaries, have experienced the largest floods since the actual records. There are 45 large and medium-sized reservoirs in the basin for flood detention and storage, with 1.34 billion cubic meters of flood. The maximum inflow of Huangbizhuang Reservoir, the upstream main stream of Hutuo River, at 7:00 on July 31 was 6250 cubic meters per second, and the corresponding outflow was 1600 cubic meters per second, with a peak shaving rate of 74.4%; At 15:00 on the 31st, the maximum inflow of the Xidayang Reservoir of the Tanghe River in the south branch of the Daqing River system was 2435 cubic meters per second, and the corresponding outflow was 152 cubic meters per second, with a peak shaving rate of 93.8%; At 16:00 on the 31st, the Wangkuai Reservoir in Shahe, the south branch of the Daqing River system, had a inflow of 3451 cubic meters per second, and a corresponding outflow of 300 cubic meters per second, with a peak shaving rate of 91%. On July 31, the General Office of National Flood Control and the Emergency Management Department continuously organized a meeting to dispatch rainstorm and flood disasters in the north, discussed and judged with the China Meteorological Administration, the Ministry of Water Resources and the Ministry of Natural Resources, connected the video with the prevention offices of Beijing, Tianjin, Hebei, Shanxi and other key provinces, dispatched the reservoir risk handling work of Hebei Province point-to-point, analyzed and judged the development trend of rain and flood conditions, and arranged and deployed flood prevention and relief work. Currently, there are 5 working groups and 3 federations of the National Defense Administration