Tropical Storm Goni, the tenth to make landfall in Vietnam this year, is forecast to strengthen before making landfall in south-central provinces on Thursday.
The storm was located 400 kilometers southeast of Vietnam's Hoang Sa (Paracel) archipelago as of 7:00 am on Tuesday, with winds at 60-75km per hour and gusts at up to 102km an hour.
It will travel southwest in the next 24 hours and pick up strength, according to the National Center for Hydro-meteorological Forecasting.
Goni is expected to be 300 kilometers southeast of Hoang Sa by 7:00 am on Wednesday, with wind speeds of up to 60-90km per hour.
By Thursday morning, the storm will have been 150 kilometers east of the south-central coastline, with wind speeds remaining at about 60-90km per hour.
It is forecast to make landfall between central Quang Ngai Province and south-central Khanh Hoa Province later the same day, before weakening into a tropical depression.
Goni was previously categorized as a typhoon, with average wind speeds of over 120km per hour, but was downgraded to a storm after entering the East Vietnam Sea and losing strength.
It was weakened by an enhanced cold front in northern Vietnam, according to Le Thi Xuan Lan, a weather expert based in Ho Chi Minh City.
The storm will strengthen over the next few days as the cold snap decreases in intensity, Lan elaborated.
Another storm, Atsani, is expected to enter the East Vietnam Sea on Friday and become the 11th storm to hit Vietnam in 2020, the Japan Meteorological Agency reported.
However, the development of the storm is still very complicated.
Atsani may head to China’s Hainan Island after entering the East Vietnam Sea, but it may also weaken and dissipate at sea due to the influence of an enhanced cold front.