According to the National Center for Hydro-Meteorological Forecasting, from around the afternoon and night of March 15, this cold air mass will affect the Northeast, North Central and some places in the Northwest, then affect other places in the Northwest, Central Central and some places in the South Central.
Inland, the wind will gradually increase to level 3 - 4, coastal areas level 4 - 5, some places will gust to level 6.
The North and North Central regions will turn cold from the night of March 15, with some mountainous areas in the North experiencing severe cold.
The lowest temperature in this cold air mass in the North is generally from 13 - 16 degrees Celsius, in high mountainous areas it is below 10 degrees Celsius; in the North Central region, it is generally 14 - 17 degrees Celsius.
Cold, severe cold, and severe cold are likely to affect livestock and poultry; affecting 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.
The area from Quang Binh to Hue from around March 17 will turn cold.
The lowest temperature in the area from Quang Binh to Hue is generally 17 - 19 degrees Celsius.
Regarding other notable weather conditions, due to the influence of the strengthening cold air, from the evening and night of March 15 to early morning of March 16, the Northern and North Central regions will have scattered showers and thunderstorms. 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, break trees, damage houses, traffic works and infrastructure.
