Vietnam Insider — A cold air mass is currently moving southward from northern regions and is expected to impact parts of northern Vietnam starting tomorrow, May 24, according to the National Center for Hydro-Meteorological Forecasting.
The forecast indicates that the cold front will first affect the Northeastern region (Đông Bắc Bộ) on May 24, before spreading to North Central Vietnam (Bắc Trung Bộ) and parts of the Northwestern region (Tây Bắc Bộ) from May 25, as it intensifies.
As the cold air pushes southward, winds in inland areas will shift to a northeasterly direction at level 2–3, with coastal areas experiencing slightly stronger winds at level 3.
This weather change will bring a refreshing coolness to the North. Temperatures across most of the Northern region will drop, with lows ranging between 21–23°C. In mountainous areas, the mercury may fall below 20°C.
In the capital city of Hanoi, residents can expect pleasant, cooler conditions, with minimum temperatures forecasted at 22–24°C.

Accompanying the cold air will be widespread rainfall. From the night of May 23 through to the night of May 24, the Northern and North Central regions are likely to experience moderate to heavy rain, with some areas facing very heavy downpours and thunderstorms.
Authorities are advising people to stay alert for potential flash floods, landslides in mountainous areas, and localized flooding in low-lying zones.
For the latest updates, stay tuned to official weather bulletins from the National Center for Hydro-Meteorological Forecasting.
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Source: Vietnam Insider