From around the afternoon and night of March 15, this cold air mass will affect the Northeast, North Central and Northwest, Central Central regions, and some places in the South Central region.
Inland, the wind will gradually increase to level 3 - 4, coastal areas level 4 - 5, some places will gust to level 6.
The Northern and North Central regions will turn cold from the night of March 15, with some mountainous areas in the North experiencing severe cold.
The area from Quang Binh to Hue from around the night of March 16 will turn cold.
Cold, severe cold, and severe cold can affect livestock and poultry; affect the growth and development of crops.
The Hanoi area will turn cold from the night of March 15. The lowest temperature in this cold air mass is generally 14 - 16 degrees Celsius.
On the night of March 15 and March 16, the Northern region will have the lowest temperature of about 15 - 18 degrees Celsius, in high mountainous areas it will be below 13 degrees Celsius. The average temperature will be about 18 - 20 degrees Celsius; in some places below 15 degrees Celsius. In the Northwest region, it will be 21 - 23 degrees Celsius.
The North Central region has the lowest temperature of about 16 - 19 degrees Celsius; the average temperature is 19 - 21 degrees Celsius.
On the night of March 16 and March 17, the North will have the lowest temperature of about 13 - 16 degrees Celsius, in high mountainous areas below 10 degrees Celsius. The average temperature is about 17 - 19 degrees Celsius; in some places below 15 degrees Celsius. In the Northwest region, it will be 20 - 22 degrees Celsius.
The North Central region has the lowest temperature of about 14 - 17 degrees Celsius; the average temperature is 18 - 20 degrees Celsius.
Quang Binh to Hue has the lowest temperature of about 17 - 19 degrees Celsius; the average temperature is about 19 - 21 degrees Celsius.
Regarding another notable situation, due to the influence of the strengthening cold air, from the evening of March 15 to early morning of March 16, the Northern and North Central regions will have scattered rain, showers and thunderstorms in some places.
From the night of March 15, the area from Quang Binh to Khanh Hoa will have scattered showers and thunderstorms, locally moderate to heavy rain. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.
Thunderstorms accompanied by tornadoes, lightning, hail and strong gusts of wind can affect agricultural production.
