 When arriving at the South China Sea on 9 December, deep convection of the storm diminished significantly.The system could not overcome the hostile environment and weakened into a tropical depression on 11 December, before it eventually dissipated southeast of Ho Chi Minh City on 12 December.A tropical disturbance formed about 130 km (80 mi) north of the equator and about 530 km (330 mi) south-southwest of Kosrae in the afternoon of 29 November, resulting in the Joint Typhoon Warning Center (JTWC) issuing a Tropical Cyclone Formation Alert on the next day for consolidating under favorable upper-level conditions.