Tropical Cyclone TWENTYONE formed over the western South China Sea and is moving northwest towards central-eastern Vietnam. On 23 September at 0.00 UTC, its centre was located approximately 215 km east of Quy Nhon City (Bình Dinh Province) with maximum sustained winds of 56 km/h (tropical depression).
TWENTYONE is forecast to continue northwest, and it will make landfall over southern Quang Ngai Province on the late morning of 23 September as a tropical storm. After that, it will cross central Vietnam and reach southern Laos and eastern Thailand weakening.
On 23-24 September, heavy rain and strong winds are forecast over the Provinces of central and eastern Vietnam and heavy rain is expected over southern Laos, eastern Thailand and northeastern Cambodia.