According to the National Center for Hydro-Meteorological Forecasting, currently on September 20, in the North, a cold air mass is moving south.
Around the night of September 21 and early morning of September 22, this cold air mass will affect the Northeast region, then affect most of the Northwest region and some places in the North Central region. The wind will change to the Northeast at level 3 inland, level 4-5 in coastal areas.
From the evening of September 21-22, the midlands and deltas of the North, Hoa Binh, and North Central regions will have moderate rain, heavy rain, and locally very heavy rain and thunderstorms with common rainfall of 30-70mm, and locally over 100mm.
Floods on rivers in Ha Tinh continue to rise. During this flood, the peak water level of Ngan Sau River will rise to level BD1-BD2, Ngan Pho River will rise to level BD2-BD3; the lower reaches of La River (Ha Tinh) are likely to rise to level BD1. From tomorrow, September 21, a small flood is likely to occur on rivers in Nghe An; the peak water level will fluctuate at level BD1. People and tourists need to be on guard against the high risk of landslides in mountainous areas, riverbank landslides, and localized flooding in low-lying areas along rivers and urban areas in Ha Tinh and Quang Binh provinces.
Hanoi
Lowest temperature: 25-27 degrees Celsius.
Highest temperature: 32-34 degrees Celsius.
Cloudy, occasional showers and thunderstorms, locally heavy rain. Northeast wind level 2-3. Thunderstorms may cause tornadoes, lightning and strong gusts of wind.
Northwest
Lowest temperature: 23-26 degrees Celsius, some places below 22 degrees Celsius.
Highest temperature: 31-34 degrees Celsius.
Cloudy, scattered showers and thunderstorms, scattered showers and thunderstorms tomorrow afternoon and evening; scattered showers and thunderstorms in Nam Son La and Hoa Binh, locally heavy rain in some places, from tomorrow evening there will be moderate rain, heavy rain, very heavy rain in some places. Light wind. Thunderstorms are likely to have tornadoes, lightning and strong gusts of wind.
Northeast
Lowest temperature: 24-27 degrees C.
Highest temperature: 31-34 degrees C.
Cloudy, scattered showers and thunderstorms; in the midlands and plains, there will be scattered showers and thunderstorms, locally heavy rain; from tomorrow afternoon, there will be scattered showers and thunderstorms, locally heavy rain; in the midlands and plains, there will be moderate rain, heavy rain and scattered thunderstorms, locally very heavy rain. Northeast wind level 2-3. There is a possibility of tornadoes, lightning and strong gusts of wind during thunderstorms.
Thanh Hoa - Thua Thien Hue
Lowest temperature: 23-26 degrees Celsius.
Highest temperature: 28-31 degrees Celsius, some places above 31 degrees Celsius.
In the North, it is cloudy with moderate to heavy rain, locally very heavy rain and thunderstorms; in the South, it is cloudy with scattered showers and thunderstorms, especially in the late afternoon and at night with scattered showers and thunderstorms. Light wind. In thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Da Nang to Binh Thuan
Lowest temperature: 25-28 degrees Celsius.
Highest temperature: 31-34 degrees Celsius, some places above 34 degrees Celsius.
Cloudy, sunny during the day; scattered showers and thunderstorms in the evening. Light winds in the North, southwest wind level 2-3. Thunderstorms are likely to cause tornadoes, lightning and strong gusts of wind.
Central Highlands
Lowest temperature: 20-23 degrees Celsius.
Highest temperature: 27-30 degrees Celsius, some places above 31 degrees Celsius.
Cloudy, scattered showers and thunderstorms, scattered showers and thunderstorms in the late afternoon and evening, locally heavy rain. Southwest wind level 2-3. Thunderstorms are likely to cause tornadoes, lightning and strong gusts of wind.
Southern Vietnam
Lowest temperature: 23-26 degrees Celsius.
Highest temperature: 29-32 degrees Celsius, some places above 32 degrees Celsius.
Cloudy, scattered showers and thunderstorms, scattered showers and thunderstorms in the late afternoon and evening, locally heavy rain. Southwest wind level 2-3. Thunderstorms are likely to cause tornadoes, lightning and strong gusts of wind.
