According to the National Center for Hydro-Meteorological Forecasting, currently (December 11), the cold air mass has approached the northern mountainous region.

Around noon and afternoon today, cold air will affect the Northeast, then affect the Northwest, North Central and some places in the Central Central.

From tomorrow night (December 12), cold air will continue to strengthen and affect the Central Central region and some places in the South Central region. The wind will change to the Northeast, strong level 3 inland, level 3-4 in coastal areas.

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Hanoi weather will be cold for many days to come. Illustrative photo

Due to the influence of cold air, the weather in the North will turn cold, with some mountainous areas experiencing severe cold; from tomorrow, the weather in the North Central region will turn cold. The lowest temperature during this cold air mass in the North will generally be 14-17 degrees Celsius, in mountainous areas 11-14 degrees Celsius, and in high mountainous areas below 10 degrees Celsius; in the North Central region, it will generally be 16-19 degrees Celsius.

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Lai Chau weather in the next 10 days, the lowest temperature will drop to 8 degrees. Source: NCHMF

In Hanoi, there will be light rain during the day and night; the weather will turn cold. The lowest temperature in this cold air mass is generally 15-17 degrees. This morning, Hanoi had drizzle, preparing for a severe cold spell.

Previously, Mr. Nguyen Van Huong, Head of Weather Forecast Department, National Center for Hydro-Meteorological Forecasting, said that this afternoon, the North was affected by the Northeast monsoon, from December 12-14, cold air continuously increased, so the weather was very cold, with some mountainous areas experiencing severe cold.

"We estimate that around December 14-15, in the mountainous and midland areas of the North, there is a possibility of severe cold, with some places experiencing severe cold," Mr. Huong noted.

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Hanoi weather for the next 10 days. Source: NCHMF

Also due to the influence of cold air combined with high-altitude easterly wind disturbances, from December 11 to about December 15, in the Central and South Central regions, there will be moderate rain, heavy rain and thunderstorms, locally very heavy rain; in the North Central region, there will be rain and showers. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.

The meteorological agency warned that heavy rains could cause flooding in low-lying areas; flash floods in small rivers and streams; and landslides on steep slopes. Strong winds and large waves at sea could affect the operation of ships and other activities.

Mr. Huong also noted that severe cold is when the average daily temperature drops below 15 degrees. With such a drop in temperature, in addition to affecting human health, it also affects crops and livestock. Therefore, people in the mountainous and midland areas of the North need to have plans to prevent, care for, and keep warm for livestock and poultry as well as protect crops.

Weather at sea : from this afternoon and tonight (December 11), in the Gulf of Tonkin, the wind will change direction to the Northeast, strong level 6, gusting to level 7-8; from tomorrow night, there will be strong winds of level 6, sometimes level 7, gusting to level 8-9; rough seas; waves 2-3m high.

From this afternoon and tonight, 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; rough seas; waves 3-5m high.

From this evening and tonight, the sea area from Quang Tri to Thua Thien Hue will have northeast winds gradually increasing to level 6, gusting to level 7-8; rough seas; waves 2-3m high.

Hanoi streets are congested under the drizzle of the first cold spell . On the morning of December 11, Hanoi had drizzle, preparing for a cold spell. People going to work had to wear raincoats, making it difficult to move through long traffic jams.
Weather forecast for the next 10 days: Cold air coming in droves, the North will have severe cold

Weather forecast for the next 10 days: Cold air coming in droves, the North will have severe cold

Weather forecast for the next 10 days (December 10-19), cold air weakens after intensifying again, around December 14-15, mountainous areas are likely to experience severe cold. Central and Southern regions, Central Highlands will have localized heavy rain in the early period.
Cold air continues to flow in, the North is cold and gloomy all week

Cold air continues to flow in, the North is cold and gloomy all week

Around the evening and night of December 11, cold air will strengthen and flow down to the North. After weakening slightly, it will strengthen again on December 19-20, causing prolonged cold and gloomy weather.