广州、佛山停课，深圳启动四级响应

Group 1 - The article discusses the impact of Typhoon "Haikui" on various regions, including school closures in Guangzhou due to yellow and orange typhoon warnings issued by the local education bureau [1][3] - Shenzhen has initiated a level four response to the typhoon, with 865 emergency shelters prepared for use, and is closely monitoring the typhoon's development [4][5] - The typhoon is expected to bring extreme weather conditions, including strong winds reaching up to level 17, heavy rainfall of approximately 300 millimeters, and the risk of urban flooding due to storm surges and astronomical tides [8][10] Group 2 - The article highlights the need for residents to prepare emergency supplies for at least three days in anticipation of the typhoon's impact [10] - It emphasizes the importance of adhering to government warnings and safety measures to mitigate risks associated with the typhoon [8][9]