熱帶氣旋形成警報
On November 10, an area of low pressure associated with a monsoon trough formed in the central South China Sea. On November 11, the low-pressure area became a strong tropical disturbance wave. During the next day, the Japan Meteorological Agency (JMA) reported that the system had intensified into a Tropical Depression. Later that day, JTWC issued Tropical Cyclone Formation Alert for system, and eventually, it was numbered Tropical Depression 18W. It made landfall south of Da Nang, Vietnam on November 14, and it dissipated later in the day.