“桦加沙”叠加天文大潮，这些城市需警惕海水倒灌

Core Points - Typhoon "Haikashan" is expected to make landfall in Guangdong, China, on the evening of September 24, with a strength of typhoon or super typhoon level [1] - The typhoon has already caused severe wind and rain impacts in Guangdong, Fujian, Zhejiang, Jiangsu, and Taiwan, with some areas experiencing heavy rainfall [2] - The typhoon's influence coincides with a spring tide, leading to significant storm surges along the Guangdong coast, raising concerns about seawater inundation in cities like Hong Kong and Macau [6][8] Weather Impact - From September 24 to 26, strong wind and rain are expected in the Taiwan Strait, northern South China Sea, and southern China, with wind speeds reaching 10-13 levels and gusts up to 16-17 levels in some areas [4] - Heavy rainfall is anticipated in various regions, including parts of Guangdong, Guangxi, Hainan, Fujian, and Zhejiang, with localized areas facing extreme rainfall [4][5] Subsequent Weather Events - Following "Haikashan," Typhoon "Bolaven" has formed and is expected to approach the eastern coast of the Philippines by September 27, potentially bringing further heavy rainfall to southern China from September 28 to October 1 [7]