Core Viewpoint - The super typhoon "Haikashan" is approaching China, expected to bring extreme wind and rain to southern regions, particularly affecting Guangdong and surrounding areas [2][6]. Group 1: Typhoon Characteristics - "Haikashan" intensified rapidly, becoming a super typhoon on September 21, with wind speeds exceeding 17 levels [2]. - The typhoon is currently located approximately 750 kilometers south-southeast of Yangjiang, Guangdong, and is moving northwest at about 20 kilometers per hour [2]. Group 2: Affected Regions and Weather Forecast - From September 23 to 25, regions in South China and southern Jiangnan are expected to experience heavy rainfall, with localized areas in Taiwan and coastal Guangdong potentially receiving over 400 millimeters of rain [2]. - The Central Meteorological Observatory predicts heavy to torrential rain in several areas, including parts of Liaoning, Shandong, Jiangsu, and Taiwan [3][4]. Group 3: Preparedness and Risks - Coastal areas in Guangdong, Guangxi, Hainan, Fujian, and Hong Kong need to prepare for the typhoon's impact, as the strong winds pose a high disaster risk [6]. - The occurrence of astronomical tides during this period may lead to seawater backflow in cities like Guangzhou and Zhuhai, increasing the risk of storm surges [7].