According to the National Center for Hydro-Meteorological Forecasting, there is currently a cold air mass moving south from the north. In the North, there will be rain in some places, with common temperatures of 24 - 27 degrees Celsius.
At around the night of December 24, this cold air mass will affect the Northeast region, then affect the North Central, Northwest and Central Central regions. On land, the wind will shift to the northeast at level 3, coastal areas at level 4 - 5, and some places will have gusts of level 6 - 7.
From the night of December 24, in the North and North Central regions, there will be rain, showers and thunderstorms; thunderstorms may cause tornadoes, lightning, hail and strong gusts of wind.
In the Northern and North Central regions, from the night of December 24, the weather will turn cold, with some mountainous areas experiencing severe cold; in the mountainous areas of the Northeast region, on December 25 and December 26, the weather will be very cold, with some mountainous areas experiencing severe cold.
During the night of December 24 and December 25, the lowest temperature in the Northern region will be 14 - 17 degrees Celsius, in mountainous areas it will be below 12 degrees Celsius. The average temperature will be 18 - 20 degrees Celsius, in mountainous areas it will be 14 - 16 degrees Celsius.
The North Central region has the lowest temperature of 15 - 18 degrees Celsius, the average temperature is 19-21 degrees Celsius.
The lowest temperature in this cold air mass in the North and North Central regions will generally be 12 - 15 degrees Celsius, in mountainous areas of the Northeast region 10 - 13 degrees Celsius, in some places below 8 degrees Celsius.
The cold weather is likely to affect livestock and poultry, affecting the growth and development of crops.
Hanoi area will have rain and showers on the night of December 24 and December 25. From the night of December 24, the weather will turn cold. The lowest temperature in this cold air mass is generally 13 - 15 degrees Celsius.
The area from Quang Tri to Da Nang city, the east of the provinces from Quang Ngai to Dak Lak and Khanh Hoa from December 25 is forecast to have rain, moderate rain, locally heavy rain and thunderstorms due to the influence of cold air. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Localized heavy rain is likely to cause flooding in low-lying areas; flash floods on small rivers and streams; landslides on steep slopes; heavy rain in a short period of time causing flooding in urban areas and industrial parks.
