暴雨大暴雨，雷暴，又来了

Core Points - The Central Meteorological Observatory issued a yellow rainstorm warning, predicting heavy rainfall in several regions including southern Guangxi, southeastern Yunnan, southern Guizhou, western and northern Guangdong, southern Hunan, and eastern Hainan Island from September 25, 08:00 to September 26, 08:00, with some areas experiencing heavy rain of 100-200 mm [2][5] - The 18th typhoon "Ragasa" has weakened from a strong tropical storm to a tropical storm, with its center located about 25 kilometers southeast of Beihai, Guangxi, and is expected to make landfall in northern Vietnam by the afternoon to evening of September 25 [5][10] Rainstorm Warning - Heavy to torrential rain is expected in parts of Guangxi, Yunnan, Guizhou, Guangdong, Hunan, and Hainan, with localized areas experiencing short-term heavy rainfall of 30-50 mm per hour, and some exceeding 60 mm [2][5] - The warning includes potential strong convective weather such as thunderstorms and gusty winds [2] Typhoon Warning - The typhoon is moving westward at a speed of 15-20 km/h and is expected to gradually weaken after making landfall [5][10] - Wind forecasts indicate 6-7 level winds with gusts of 8-9 levels in the northern South China Sea, Beibu Gulf, and coastal areas of Guangdong and Guangxi [5][10] Defense Guidelines - Government and relevant departments are advised to prepare for rainstorm and typhoon emergencies, including traffic management and evacuation of at-risk populations [3][6][8] - Outdoor activities should be suspended, and vulnerable structures should be reinforced or dismantled to prevent wind damage [8]