Tonight, September 21, cold air will affect the North, some places below 19 degrees Celsius

On September 22-23, the weather in the North and Thanh Hoa will turn cool, while in some mountainous areas in the North it will be cold. During this cold spell, the lowest temperature in the North and Thanh Hoa will be from 20-23 degrees Celsius, and in some mountainous areas it will be below 19 degrees Celsius.

At sea from early morning of September 22, in the Gulf of Tonkin, the Northeast wind gradually increased to level 6, sometimes level 7, gusting to level 8; rough seas; waves from 1.5-2.5 m high.

From early morning of September 22 to September 23, in the midlands, plains and coastal areas of the North, from Thanh Hoa to Quang Binh, there will be moderate rain, heavy rain, locally very heavy rain and thunderstorms with common rainfall of 50-150 mm, locally over 200 mm.

Thunderstorms may contain tornadoes, lightning, hail and strong winds.

At sea, in the Gulf of Tonkin, the sea area from Quang Tri to Quang Ngai, from Binh Thuan to Ca Mau, Ca Mau to Kien Giang, the Gulf of Thailand, the North East Sea area, between the East Sea and the South East Sea (including the Hoang Sa and Truong Sa sea areas) there will be showers and thunderstorms. During thunderstorms, there is a possibility of tornadoes and strong gusts of wind of level 7-8.

On September 21, the capital Hanoi is forecast to be cloudy with occasional showers and thunderstorms, locally heavy rain; from the evening and at night there will be moderate rain, heavy rain, and very heavy rain in some places. Light wind, at night there will be northeast wind level 2-3. During thunderstorms there is a possibility of tornadoes, lightning and strong gusts of wind. Lowest temperature 24-26 degrees Celsius. Highest temperature 31-33 degrees Celsius.

The Northwest region is cloudy with scattered showers and thunderstorms in some places, scattered showers and thunderstorms in the late afternoon and evening; in particular, in the South of Son La and Hoa Binh, there will be scattered showers and thunderstorms, locally heavy rain in some places, from the late afternoon there will be moderate rain, heavy rain, and very heavy rain in some places. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, and strong gusts of wind. The lowest temperature is 22-25 degrees Celsius, in some places below 21 degrees Celsius. The highest temperature is 30-33 degrees Celsius, in some places above 33 degrees Celsius.

The Northeast region is cloudy, with scattered showers and thunderstorms during the day, with some places having heavy rain, from the evening there will be moderate rain, heavy rain and scattered thunderstorms, with some places having very heavy rain; in mountainous areas, there will be scattered showers and thunderstorms during the day, from the evening there will be scattered showers and thunderstorms, with some places having heavy rain. Light wind, at night there will be northeast wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind. The lowest temperature is 23-26 degrees Celsius, in mountainous areas it will be below 22 degrees Celsius. The highest temperature is 30-33 degrees Celsius, with some places above 33 degrees Celsius.