Strong cold air is about to cause thunderstorms, Northern region turns cold from November 9th
Due to the impact of strong cold air, from November 9th, the mountainous region of the North will turn cold, and other places in the North will be cold at night and in the morning.
This afternoon (November 5th), Ms. Tran Nhu Quynh - Weather Forecasting Department, National Center for Hydro-Meteorological Forecasting provided weather forecast information across the country for the coming days. Especially about the strong cold air mass that will occur at the end of this week and early next week.
Accordingly, the Northern region from tonight (November 5 - November 6) will have rain, scattered showers and thunderstorms in some places, especially the mountainous area locally has heavy rain; from November 7, there will be light rain in some places.
However, from about the night of November 8th to November 9th, the Northern region is likely to be affected by a strong cold air mass causing widespread showers and thunderstorms, with locally heavy rain. From November 9th, the mountainous area will turn cold, and other places in the Northern region will be cold at night and in the morning" - Ms. Nhu Quynh said.
According to Ms. Nhu Quynh, the North Central region from tonight (November 5th - November 8th) will experience scattered showers and thunderstorms. From the night of November 8th to November 9th, due to the impact of strong cold air, moderate rain, heavy rain, and locally very heavy rain will occur.
Other areas in the Central region from now until the end of the week will only have thunderstorms in a few places. From the beginning of next week, which is November 9th, due to the influence of strong cold air combined with easterly wind disturbances at high altitudes, a widespread heavy rain will appear in the area from Ha Tinh to the East of provinces from Quang Ngai to Dak Lak. Heavy rain is likely to last until around November 12th" - Ms. Quynh warned of widespread heavy rain.
Representatives of the Weather Forecast Department added that in the Southern region from now until the end of the week, showers and thunderstorms will appear scattered in the Mekong Delta in the afternoon and evening.
In addition, it is necessary to pay attention to strong winds and big waves in sea areas. Forecast from the night of November 8th to November 12th, in the Gulf of Tonkin and the sea area from South Quang Tri to Quang Ngai, winds tend to gradually strengthen to level 6, in some places level 7, gusts level 8 - 9. Sea waves are 2 - 4m high, strong rough seas.
For the Northern East Sea area, including the Hoang Sa special zone, strong Northeast wind at level 6 - 7, gusts at level 8 - 9; sea waves are 3 - 5m high, strong rough seas.
Regarding the temperature trend, in November 2026, the average temperature nationwide is generally 1 - 2 degrees Celsius higher than the multi-year average, especially the Southern region has an average temperature 0.5 - 1 degree Celsius higher than the multi-year average.
Cold air waves affecting the North and Central regions are likely to be weaker than the average of many years in the same period.
Previously, in October 2026, a cold air mass occurred on the night of October 4, causing widespread rain and moderate rain, with heavy rain in some places in the Northern region and Thanh Hoa - Nghe An. After that, the rain area expanded to the South; the average daily temperature decreased by 2 - 4 degrees Celsius in the Northern region and provinces from Thanh Hoa to Hue city, at Bach Long Vĩ observation station, the Northeast wind was strong at level 5, sometimes level 6 on October 5-6.
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