Core Viewpoint - Beijing has entered the flood season as of June 1, with predictions of above-average rainfall and increased risk of mountain floods in certain districts [1] Group 1: Flood Prevention Measures - The Beijing Water Authority has developed customized flood prevention plans for 1,223 mountain flood villages, implementing a "one village, one strategy" approach to enhance flood risk management [5][6] - The flood prevention strategy includes detailed evacuation routes, responsible personnel, and key population information to ensure timely and effective response during flood events [2][5] - The use of a digital platform for real-time monitoring and data collection has been established to support flood risk assessment and management [10] Group 2: Risk Assessment and Monitoring - The risk assessment is based on historical flood data and simulations, categorizing areas into different risk levels (blue, yellow, orange, red) depending on the severity of potential flooding [7][8] - Real-time monitoring has been enhanced with the installation of buried water level gauges in 352 mountain flood channels, providing critical data for timely decision-making [10] - The integration of various monitoring technologies aims to improve the accuracy of flood predictions and facilitate effective evacuation plans [10]