According to the National Center for Hydro-Meteorological Forecasting, there is currently a cold air mass moving south from the north.
From April 12, this cold air mass will affect the Northeast region and some places in the Northwest and North Central regions, then affect the Central Central region.
Inland, the wind will gradually increase to level 2 - 3, coastal areas level 3 - 4, some places will gust above level 6.
From the night of April 12, the North and North Central regions will turn cold, with some mountainous areas in the North being cold.
From the night of April 13 to April 14, the night and morning will be cold. Cold weather is likely to affect livestock and poultry; growth and development of crops.
The Northern region has the lowest temperature in this cold air mass generally from 16 - 19 degrees Celsius, in high mountainous areas below 13 degrees Celsius.
The Hanoi area will turn cold from the night of April 12. From the night of April 13 to 14, the night and morning will be cold. The lowest temperature in this cold air mass is generally 17 - 19 degrees Celsius.
The North Central region has the lowest temperature commonly 17 - 20 degrees Celsius.
Regarding other dangerous weather patterns, due to the influence of cold air, from early morning on April 12, the Northeast will have scattered showers and thunderstorms, locally moderate rain, heavy rain, and gradually decreasing rain at night.
From April 12 to April 13, the Northwest, North and Central Central regions will have rain, moderate rain and scattered thunderstorms, locally heavy to very heavy rain.
The meteorological agency warns that thunderstorms are likely to cause tornadoes, lightning, hail and strong gusts of wind; there is a risk of local heavy rain with high intensity (greater than 50mm within 6 hours).
At sea, from noon and afternoon on April 12, the Gulf of Tonkin winds will gradually shift to northeast level 6, sometimes level 7, gusting to level 8 - 9, rough seas, waves 1.5 - 2.5m high.
From the evening and night of April 12, the sea area north of the North East Sea will have strong northeast winds of level 6, gusting to level 7 - 8, rough seas, waves 1.5 - 2.5m high.
Strong winds and large waves at sea are likely to affect the operation of ships and other activities.
