According to the National Center for Hydro-Meteorological Forecasting, currently, the north has a cold air mass moving southward. In the North, there is rain in some places, the common temperature is 28 - 31 degrees C, in some places above 31 degrees C.
Around the night of April 22, this cold air mass will affect the Northeast region, then affect some places in the Northwest and North Central regions. On land, the wind will turn northeast at level 2-3, coastal areas at level 3-4.
The Northeast region and Thanh Hoa from April 23rd will turn cool.
On the night of April 22nd and April 23rd, the lowest temperature is 22 - 25 degrees C, in mountainous areas some places below 22 degrees C; average temperature 24 - 26 degrees C, in mountainous areas some places below 23 degrees C.
The lowest temperature in this cold air wave is commonly 21 - 24 degrees C, mountainous areas have places below 20 degrees C.
Regarding rain developments, from the evening of April 22nd to April 23rd, the North will have showers and scattered thunderstorms, with locally heavy rain.
From April 23 to April 24, the North Central region will have scattered showers and thunderstorms, with locally heavy rain. From the evening of April 23 to April 25, the Central Central region will have scattered showers and thunderstorms.
The meteorological agency warns that thunderstorms are likely to occur with tornadoes, lightning, hail and strong gusts of wind. Thunderstorms accompanied by tornadoes, lightning, hail and strong gusts of wind can affect agricultural production, causing trees to fall, damage to houses, traffic works and infrastructure.
Hanoi area from the night of April 22 to April 23 will have showers and scattered thunderstorms; from April 23 the weather will turn cool. The lowest temperature is commonly 22 - 24 degrees C.
At sea, from near dawn on April 23, the sea area north of the Gulf of Tonkin will have strong northeast winds of level 5, sometimes level 6, gusts of level 7; rough seas; waves 1.5 - 2.5m high.
Strong winds and big waves at sea are likely to affect the operation of ships and other activities.
