Take Typhoon rammasun as an example:
Influenced by the rammasun, from the day of July 17 to the morning of June 19, 2065, the coastal waters and land of Sansha City and Hainan Island in Hainan Province were ravaged by violent storms;
During the night of 17, strong winds above 10 appeared on some islands and reefs in Sansha City, with the maximum value of North Reef11(30.5m/s). At the same time, there were heavy rains on all islands and reefs, and the maximum value was Dongdao 152. 1 mm. With the movement and landing of the typhoon, the strongest wind and rain weather occurred in the offshore and land of Hainan Island at 18: the maximum gust at the buoy station in the eastern part of Hainan Island and Wenchang qi zhou Islands was above 17 (74. 1 m/s and 72.4m/s respectively), and10 ~ was common in the land in the northeastern part of Hainan Island.
From 08: 00 on 18 to 08: 00 on 19, there were 42 townships with rainfall exceeding 300 mm, 22 townships with rainfall exceeding 400 mm, 9 townships with rainfall exceeding 500 mm and 3 townships in Changjiang.
In addition, in the coastal areas where the "rammasun" center passes, there are storms that increase water in different degrees, which leads to seawater backflow and floods together with heavy rains.
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