The National Center for Hydro-Meteorological Forecasting said that currently (December 9), in the North, a cold air mass is moving south.

It is forecasted that around the afternoon and night of December 11, this cold air mass will affect the northeastern provinces, then affect the North Central region and some places in the northwest.

From the night of December 12, cold air continues to strengthen and affect the Northwest, Central Central and some places in the South Central. The wind changes to the Northeast, strong level 3 inland, level 3-4 in coastal areas.

cold air understanding.jpg
Cold air continuously flows in, making the North immersed in cold. Illustration photo: Chi Hieu

Due to the influence of cold air, from the afternoon and night of December 11, the weather in the Northern region will turn cold, with some mountainous areas experiencing severe cold. From the night of December 12, the weather in the North Central region will turn cold. The lowest temperature during this cold air mass in the North and North Central regions will generally be from 14-17 degrees Celsius, in mountainous areas 11-14 degrees Celsius, and in high mountainous areas below 10 degrees Celsius.

As for Hanoi weather, from the evening and night of December 11, the weather will turn cold. The lowest temperature in this cold air mass is commonly 15-17 degrees.

Hanoi weather.jpg
Hanoi weather for the next 10 days. Source: NCHMF

Forecast before receiving the cold air, tomorrow (December 10), the North will increase in temperature, sunny, cold at night and morning with the lowest temperature around 16-18 degrees, the highest temperature around 23-25 ​​degrees. In Hanoi, the weather will warm up during the day, with temperatures ranging from 17-24 degrees.

After the cold air arrived, from the night of December 11, the temperature in the Northern region remained low for a long time, the weather was cold and gloomy with light rain in some places.

Notably, the Southern Hydrometeorological Station said that cold air will continue to strengthen in our country's regions, gradually weakening from December 16, and strengthening again on December 19-20.

The National Center for Hydro-Meteorological Forecasting also said that in December, cold air will increase in both intensity and frequency. It is forecasted that in the second half of December, the North may experience the first severe cold spell of this winter.

Due to the influence of the cold air mass combined with high-altitude easterly wind disturbances, from the night of December 10-13, the Central and South Central regions will experience moderate rain, heavy rain and thunderstorms, and locally very heavy rain. Heavy rain in the Central and South Central regions is likely to continue. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.

Weather at sea : from the evening and night of December 11, in the Gulf of Tonkin, the wind will change direction to strong Northeast level 6, gusting to level 7-8; from the night of December 12, the wind will gradually increase to level 6-7, gusting to level 8-9; rough seas; waves 2-3m high.

From the evening and night of December 11, in the North East Sea area (including Hoang Sa archipelago), the Northeast wind will gradually increase to level 6-7, gusting to level 8-9; the sea will be rough; waves will be 3-5m high.

Hanoi weather for the next 3 days: Cold air will decrease and then welcome strong cold air up to 13 degrees

Hanoi weather for the next 3 days: Cold air will decrease and then welcome strong cold air up to 13 degrees

Weather forecast for Hanoi in the next 3 days (December 9-11), the weather will continue to be cold today, then increase slightly from December 10-11. Around the night of December 11-12, the area is likely to receive a strong cold air mass, making it cold all day and night.
Cold rain covers the North, possibility of receiving strong cold air

Cold rain covers the North, possibility of receiving strong cold air

Cold air has spread across most of the North and continues to penetrate deep into the South, causing widespread cold rain, after weakening on December 10. It is forecasted that on December 12, a strong cold air mass will strengthen again.