南海热带低压于9月13日早晨位于三亚西南方向约205公里处，中心最大风力6级，中心最低气压为1006百帕1。该系统以每小时10～15公里的速度向偏西方向移动，预计今日下午至夜间在越南中部一带沿海登陆1。
受其影响，未来三天华南沿海与海南岛将出现大到暴雨天气，其中海南岛南部局地可能出现特大暴雨1。9月14日8时至15日8时，海南岛西部和南部部分地区暴雨可达100～180毫米1。与此同时，西南地区等地将出现多阴雨天气，9月15日8时至16日8时，重庆西部、四川东部局地暴雨50～60毫米1。
A tropical low-pressure system positioned approximately 205 kilometers southwest of Sanya is expected to make landfall along Vietnam's central coast this afternoon through tonight 1. As of early morning on September 13, the system's center was located at 17.1°N, 108.0°E, with maximum sustained winds of 6 levels (12 meters per second) and a central minimum pressure of 1006 hectopascals 1. The system is moving westward at a speed of 10 to 15 kilometers per hour 1.
Under the influence of this weather system, heavy to torrential rainfall is forecast across the South China coast and Hainan Island over the next three days, with some areas in southern Hainan potentially experiencing exceptionally heavy precipitation 1. From September 14 at 8:00 to September 15 at 8:00, the western and southern portions of Hainan Island are expected to receive cumulative rainfall of 100 to 180 millimeters 1. Southwest China will also experience prolonged overcast and rainy conditions 1. From September 15 at 8:00 to September 16 at 8:00, localized torrential rains of 50 to 60 millimeters are anticipated in western Chongqing and eastern Sichuan 1.
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