北京4天下了近一年的雨，累计8万人转移

Core Viewpoint - The article discusses the severe flooding in Beijing due to extreme rainfall, highlighting the impact on infrastructure, emergency responses, and the ongoing weather conditions. Group 1: Rainfall and Weather Conditions - Beijing experienced a total rainfall of 543.4 millimeters over four days, which is nearly equivalent to the city's average annual precipitation of about 600 millimeters [4] - The rainfall event lasted for 147 hours, starting from July 23, with the heaviest downpours occurring in the northern and western parts of the city [5][6] - The phenomenon known as "train effect" caused prolonged heavy rainfall in certain areas, leading to significant accumulations [6] Group 2: Emergency Response and Impact - As of July 28, 30 fatalities were reported due to the flooding, with the majority occurring in the Miyun district [4] - A total of 80,332 people have been evacuated from affected areas, with the highest numbers from Miyun, Huairou, and Fangshan districts [8] - The National Disaster Reduction and Relief Committee activated a level four emergency response, allocating 200 million yuan for recovery efforts in severely impacted areas [8][9] Group 3: Infrastructure Damage - The flooding caused damage to 31 roads, with 16 routes still not repaired, and 136 villages experienced power outages [8] - Communication infrastructure was also affected, with 62 optical cables damaged and 1,825 base stations out of service [8] Group 4: Water Management - The Miyun Reservoir, a crucial water source for Beijing, has seen a significant increase in inflow, with 7.3 billion cubic meters entering and 1.2 billion cubic meters released as of July 29 [11][10] - The reservoir's outflow rate was recorded at 1,120 cubic meters per second, impacting downstream river levels [11]