According to the National Center for Hydro-Meteorological Forecasting, around the night of January 14, the cold air mass will strengthen and affect the Northeast region, then affect the North Central region, the Northwest region and the Central Central region. The northeast wind inland will strengthen to level 2-3, and coastal areas to level 3-4.
On the night of January 14 and January 15, the North and the area from Thanh Hoa to Hue will continue to be cold. The mountainous areas of the North will be very cold, with some places experiencing severe cold.
The Northern region has the lowest temperature of about 13 - 16 degrees Celsius, mountainous areas 11 - 13 degrees Celsius, high mountainous areas have places below 9 degrees Celsius. The average temperature is about 17 - 19 degrees Celsius; mountainous areas 13 - 15 degrees Celsius, some places below 13 degrees Celsius.
High mountain areas are prone to frost, ice and frost. These phenomena can affect crops and livestock.
The area from Thanh Hoa to Hue has the lowest temperature of about 15 - 18 degrees Celsius; the average temperature is about 18 - 20 degrees Celsius.
Hanoi area is cold. The lowest temperature in this cold air mass is commonly 9 - 12 degrees Celsius.
The area from Nghe An to Binh Dinh has rain, showers, locally heavy rain and thunderstorms. Thunderstorms are likely to cause tornadoes, lightning and strong gusts of wind.
Localized heavy rains can cause flooding in low-lying areas; flash floods in small rivers and streams, and landslides on steep slopes.
Regarding sea weather, from the night of January 14, the northeast wind in the Gulf of Tonkin will increase to level 6 - 7, gusting to level 8 - 9, rough seas, waves 2 - 4m high. In the North East Sea (including the Hoang Sa archipelago), the northeast wind will increase to level 7, gusting to level 9, rough seas, waves 3 - 5m high.
From January 15, in the central East Sea, the sea area from Quang Tri to Binh Thuan, the Northeast wind will increase to level 6, sometimes level 7, gusting to level 8 - 9, rough seas, waves 3 - 5m high.
Strong winds and large waves at sea are likely to affect boating and other activities.
