深圳：外卖或关停，建议准备至少3天应急物资

Core Viewpoint - The article discusses the impact and preparedness measures related to Typhoon "Haikashan," which is expected to be one of the strongest typhoons to affect Shenzhen since 2018, with significant wind speeds and potential for severe weather conditions [2][4]. Group 1: Typhoon Details - Typhoon "Haikashan" is currently located approximately 1060 kilometers from Yangjiang, Guangdong, with maximum wind speeds exceeding 62 meters per second and a minimum central pressure of 910 hPa [2]. - The typhoon is projected to move westward at a speed of 20-25 kilometers per hour, making landfall between Huizhou, Guangdong, and Wenchang, Hainan, on the morning to evening of September 24, with expected wind speeds of 45-52 meters per second [2]. Group 2: Emergency Preparedness - Shenzhen's emergency management has activated response mechanisms, with various departments conducting wind and flood prevention measures [2]. - Recommendations for residents include minimizing unnecessary outings, preparing at least three days' worth of essential supplies, securing windows and balconies, and being ready to evacuate if living in high-risk areas [4]. Group 3: Impact on Population and Education - The city plans to relocate approximately 400,000 individuals from coastal and low-lying areas as a precautionary measure [5]. - All primary and secondary schools, as well as kindergartens in Shenzhen, will suspend classes from September 23 to 24, with similar measures for extracurricular educational institutions [6].