A prolonged cold front has also continued to produce low temperatures in most provinces and cities across Vietnam and is expected to remain till Wednesday (December 20).
After causing deadly flooding and mudslides across the Philippines last week, Tropical Storm Kai-tak has reached the East Vietnam Sea and looks to continue on its destructive track into the Malay Peninsula this week.
A prolonged cold front has also continued to produce low temperatures in most provinces and cities across Vietnam and is expected to remain till Wednesday (December 20).
Forming off the central Philippines, the typhoon, as of Monday evening, was located 430 kilometres southeast of Song Tu Tay Island, part of Vietnam's Truong Sa (Spratly) Archipelago, according to the Vietnam National Centre for Hydro-Meteorological Forecasting.
Winds were picking up at speeds between 60 and 75km per hour and gusts peaking at 100km per hour, while the storm is expected to journey southwestward at a velocity of 15km per hour.
The southern part of Truong Sa is expected to be hit by the typhoon on Wednesday evening, with winds between 60 and 90km per hour and squalls of up to 117km an hour.
While the storm may not reach mainland Vietnam and continue onward towards Malaysia, rough seas and strong winds can be expected in the maritime area east of Truong Sa, said Le Thanh Hai, deputy director of the weather forecasting centre.
Vietnam’s northern region has been experiencing temperatures between nine and 11 degrees Celsius, while its mountainous regions including Sa Pa Town, Lao Cai Province, and Mau Son Commune in Lang Son Province have experienced temperatures as low as two to four degrees Celsius.
The coldest time of year also arrives for southern Vietnam with temperatures dipping under 20 degrees Celsius at night and in the early morning.