海南，台风一级预警！多地有山洪和地质灾害风险

Core Viewpoint - Hainan Province has upgraded its typhoon warning to Level 1 due to Typhoon "Jianyu," which is expected to make landfall on the southern coast of Hainan Island, bringing severe weather conditions [1] Group 1: Typhoon Information - Typhoon "Jianyu" is currently located approximately 200 kilometers southeast of Sanya, with maximum wind speeds of 38 meters per second [1] - The typhoon is expected to strengthen and approach the southern coast of Hainan Island, with landfall anticipated between Lingshui and Ledong [1] - Wind speeds are projected to reach 40-45 meters per second upon landfall, categorizing it as a strong typhoon [1] Group 2: Rainfall and Flooding Risks - Heavy rainfall is expected across various regions in Hainan, with some areas forecasted to receive between 250-350 millimeters, and localized areas exceeding 400 millimeters [1] - Specific cities such as Qionghai, Wanning, and Sanya are highlighted for significant rainfall, with risks of mountain floods and geological disasters [2][3] Group 3: Geological Disaster Warnings - An orange alert for mountain flood disaster risk has been issued for several cities, indicating a high likelihood of such events [3] - Geological disaster risks are categorized into different warning levels, with specific areas identified as having a high risk of rainfall-induced geological disasters [4][5][7]