珠海录得17级阵风，部分近岸住宅区海水倒灌

Core Points - Typhoon "Haikashan" has caused severe flooding in coastal residential areas of Zhuhai, leading to emergency evacuations and warnings for residents [1][2] - The local government has implemented unprecedented measures, including mandatory evacuations for residents living in high-rise buildings along the coastline [2] Group 1 - On September 24, coastal residential areas in Zhuhai experienced seawater backflow due to the impact of Typhoon "Haikashan," with reports of significant flooding on major roads [1] - The Zhuhai traffic police reported severe waterlogging in multiple areas, making them impassable, and advised citizens to avoid risky travel [1] - The Zhuhai flood prevention command urged residents in low-lying and underground spaces to evacuate immediately and to cut off power to prevent property and personal losses [1] Group 2 - The Xiangzhou District flood prevention command had already assessed the risks of seawater backflow and other hazards from the typhoon on September 23, leading to early evacuation orders [2] - High-rise residents along the coastline were required to evacuate or move to safe areas by September 23, with specific instructions for underground parking facilities to clear vehicles [2] - The weather department reported that Zhuhai was experiencing extreme wind conditions, with gusts recorded at 59.1 m/s, indicating a significant threat from the approaching typhoon [2]