According to the National Center for Hydro-Meteorological Forecasting, the strong cold air mass is currently continuing to move south.
In the evening and night of November 17, cold air will affect the Northern and North Central regions, then affect the Central Central and South Central regions.
On land, strong northeast winds of level 3 - 4, coastal areas of level 4 - 5, some places of level 6, gusting to level 7.
On the night of November 17 and November 18, the Northern region will have rain, showers and thunderstorms in some places.
The Northern Delta and North Central regions from the night of November 17 will turn cold, the mountainous and midland areas of the North will be very cold, and some mountainous areas will be severely cold.
On the night of November 17 and November 18, the North and North Central regions will have the lowest temperature of 14 - 16 degrees Celsius, the mountainous and midland areas of the North will have 11 - 13 degrees Celsius, the high mountains will have places below 8 degrees Celsius. The average temperature is 15 - 17 degrees Celsius, the mountainous areas of the North will have 13 - 15 degrees Celsius, the high mountainous areas will have places below 12 degrees Celsius.
On the night of November 18 and November 19, the North and North Central regions will have the lowest temperature of 12 - 15 degrees Celsius, the mountainous and midland areas of the North will have 9 - 12 degrees Celsius, the high mountainous areas will have places below 7 degrees Celsius. The average temperature is 14 - 16 degrees Celsius, the mountainous and midland areas of the North will have 12 - 14 degrees Celsius, the high mountainous areas will have places below 12 degrees Celsius.
The meteorological agency also said that the lowest temperature in this cold air mass in the Northern Delta and North Central regions will generally be from 12 - 15 degrees Celsius, in mountainous and midland areas from 9 - 12 degrees Celsius, and in high mountainous areas below 7 degrees Celsius.
Cold and very 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 November 17 and 18. From the night of November 17, the weather will turn cold. The lowest temperature in this cold air mass is generally between 13 - 15 degrees Celsius.
The area from Ha Tinh to Khanh Hoa will have widespread heavy rain due to the influence of increased cold air combined with disturbances in the high-altitude easterly wind zone.
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.
