暴雨、大暴雨、特大暴雨，要来了！

Core Viewpoint - The article highlights the severe weather conditions expected in various regions of China, particularly focusing on heavy rainfall and the associated risks of flooding and landslides. Group 1: Weather Forecast - The Central Meteorological Observatory issued an orange rainstorm warning, predicting heavy to torrential rain in several areas from August 4 to August 5, with specific regions experiencing extreme rainfall of 250 to 350 millimeters [1] - Areas such as southwestern Beijing, southern Tianjin, and central Hebei are expected to see significant rainfall, with some locations potentially exceeding 200 millimeters [5] Group 2: Defense Guidelines - Government and relevant departments are advised to prepare for emergency responses to the rainstorm [3] - Dangerous outdoor electrical sources should be cut off, and outdoor work should be suspended to ensure safety [3] - Units in hazardous areas are recommended to suspend classes and operations, taking special measures to protect students and employees [4] Group 3: Risk Management - It is crucial to manage urban and agricultural drainage effectively to prevent potential disasters such as flash floods, landslides, and mudslides [4]