暴雨大暴雨，雷暴，又来了

Core Viewpoint - The article provides weather warnings for heavy rain and a tropical storm, emphasizing the need for preparedness and safety measures in affected regions [2][7]. Rainstorm Warning - A yellow warning for heavy rain has been issued, predicting significant rainfall in regions such as 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 [2][8]. - Some areas, particularly in southwestern Guangxi and southeastern Yunnan, may experience heavy rain with accumulations of 100 to 200 millimeters [2][8]. - Short-term heavy rainfall is expected, with maximum hourly rainfall reaching 30 to 50 millimeters, and localized areas possibly exceeding 60 millimeters [2]. Defense Guidelines for Rainstorm - Government and relevant departments should ensure proper measures are in place for rainstorm defense [4]. - Traffic management should implement control measures based on road conditions during heavy rainfall [4]. - Outdoor operations in open areas should be suspended, and individuals in dangerous zones should be relocated to safe places [5]. - Drainage systems in urban areas, farmland, and fish ponds should be inspected and necessary drainage measures taken [5]. Typhoon Warning - A blue warning for Typhoon "RAGASA" has been issued, which has weakened from a strong tropical storm to a tropical storm as of September 25 [7]. - The storm's center is located approximately 25 kilometers southeast of Beihai, Guangxi, with maximum wind speeds of 9 levels (23 meters per second) and a minimum central pressure of 990 hPa [7][15]. - The storm is expected to move westward at a speed of 15 to 20 kilometers per hour, heading towards the northern coast of Vietnam, where it is predicted to make landfall in the afternoon to evening of September 25 [7]. Defense Guidelines for Typhoon - Government and relevant departments should prepare for emergency response to the typhoon [12]. - Waterborne operations and passing vessels should return to port for safety, and port facilities should be reinforced to prevent accidents [12]. - Outdoor large gatherings and high-altitude operations should be halted, and structures vulnerable to wind should be secured or dismantled [15]. - Residents should remain indoors, especially vulnerable populations like the elderly and children, and be prepared for sudden strong winds [15].