Warning of heavy rain, flash floods and landslides in many areas

According to the National Center for Hydro-Meteorological Forecasting, in the afternoon and night of August 21, in the mountainous areas of the North, there will be rain, moderate rain and scattered thunderstorms, locally heavy rain to very heavy rain with common rainfall of 20 - 40mm, locally over 100mm.

Other areas of the North, Thanh Hoa , the South Central Coast, the Central Highlands and the South will have scattered showers and thunderstorms, locally heavy rain with rainfall of 15 - 30 mm, some places over 80 mm. Warning of the risk of heavy rain (over 80mm/3 hours). During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.

Localized heavy rains are likely to cause flash floods on small rivers and streams, landslides on steep slopes and waterlogging in low-lying areas.

At sea, on the day and night of August 21, in the northern area of the Gulf of Tonkin, the central and southern areas of the East Sea (including the Truong Sa special zone), the sea area from Gia Lai to Ca Mau, from Ca Mau to An Giang and the Gulf of Thailand, there will be scattered showers and thunderstorms.

Specific weather in regions on August 21

Hai Phong

Cloudy with occasional showers and thunderstorms, sunny spells during the day. Light winds.

Lowest temperature from 25 - 26 degrees Celsius. Highest temperature from 32 - 33 degrees Celsius.

Northwest

During the day, there will be scattered showers and thunderstorms. In the afternoon and at night, there will be rain, some places will have moderate rain and thunderstorms; some places will have heavy to very heavy rain. Light wind.

The lowest temperature is from 23 - 26 degrees Celsius, some places below 23 degrees Celsius. The highest temperature is from 30 - 33 degrees Celsius, some places above 33 degrees Celsius; Dien Bien and Lai Chau areas are from 26 - 29 degrees Celsius.

Northeast

There are scattered showers and thunderstorms; locally heavy rain. In mountainous areas there is rain, some places have moderate rain and thunderstorms, some places have heavy to very heavy rain, concentrated in the afternoon and at night. Light wind.

Lowest temperature from 24 - 27 degrees Celsius, some places below 24 degrees Celsius. Highest temperature from 30 - 33 degrees Celsius, some places above 33 degrees Celsius.

Area from Thanh Hoa to Hue

Sunny during the day, hot in some places. Showers and thunderstorms in some places in the evening and at night. Light wind.

Lowest temperature from 24 - 27 degrees Celsius. Highest temperature from 32 - 35 degrees Celsius, some places above 35 degrees Celsius.

South Central Coast

Sunny during the day. Scattered showers and thunderstorms in the evening, locally heavy rain (concentrated in the south). Scattered showers and thunderstorms at night. Southwesterly winds level 2-3.

Lowest temperature from 25 - 28 degrees Celsius. Highest temperature from 31 - 34 degrees Celsius, some places above 34 degrees Celsius.

Central Highlands

There will be showers and thunderstorms in some places. In the afternoon and evening, there will be showers and scattered thunderstorms, with some places having heavy to very heavy rain. Southwesterly wind level 2 - 3.

Lowest temperature from 20 - 23 degrees Celsius. Highest temperature from 28 - 31 degrees Celsius.

Southern Vietnam

Cloudy, scattered showers and thunderstorms. In the afternoon and evening, scattered showers and thunderstorms, locally heavy to very heavy rain. Southwesterly winds level 2 - 3.

Lowest temperature from 24 - 27 degrees Celsius. Highest temperature from 31 - 34 degrees Celsius.