In certain townships in Hainan, heavy rainfall will exceed 250 millimeters, and the rainstorm warning level has been upgraded to level three.

Hainan Meteorological Bureau upgraded the heavy rain level 4 warning to level 3 warning at 17:30 on May 19, 2026: Due to the influence of the southward jet stream, from 08:00 on May 18 to 16:00 on May 19, there will be heavy to severe rain in southeastern and northern parts of Hainan Island, with locally extreme heavy rain, where LingShui, Baoting, and Wanning 3 cities and counties have a total of 5 townships with rainfall exceeding 300 millimeters, the largest being 435.5 millimeters in Qunying Township, LingShui Li Autonomous County. It is expected that from the night of the 19th to the day of the 20th, parts of Sanya, Baoting, LingShui, Wanning, and Qiongzhong 5 cities and counties will continue to experience strong rainfall of 80-150 millimeters, and some townships will receive over 250 millimeters; parts of Ledong, Wuzhishan, Qionghai, and Wenchang 4 cities and counties will receive 30-80 millimeters of rainfall. Related units and individuals are advised to take preventive measures.