北方多地持续出现强降雨天气

Group 1 - The northern regions of China have been experiencing heavy rainfall since July 23, with significant impacts reported in areas such as northern Shaanxi, northern Shanxi, northern Hebei, and northern Beijing, including extreme rainfall events classified as torrential and even extraordinary in some localities [1] - The Central Meteorological Observatory has issued a yellow warning for heavy rain and a flood risk warning for small and medium rivers, indicating ongoing severe weather conditions [1] - The water level in the Chaobai River has reached its highest recorded flood since the reservoir was built in 1959, with a maximum inflow rate of 6,550 cubic meters per second reported [1] Group 2 - The Ministry of Water Resources has initiated emergency flood defense measures, including the deployment of work teams to assist local flood response efforts in key river basins [2] - Beijing has activated a Level IV emergency response for flood defense, while the Beijing Water Authority has initiated a Level III emergency response to manage flood drainage [2] - Shanxi Province has also activated a Level III flood defense response in Dazhou City, with teams sent to oversee flood prevention measures [2]