Today, June 21, the UV index is very high. Is this the hottest day in Hanoi?

The early morning sun was already bright, the air felt stuffy and uncomfortable. The temperature in Hanoi today is not much different from yesterday, maintaining 30-31 degrees, humidity above 80%. By 9 o'clock, the temperature in Hanoi will increase to 33 degrees and continue to increase to 35 degrees at noon.

The heat wave will peak today between 2pm and 4pm when temperatures will reach 37-38 degrees, then gradually decrease. Thunderstorms may return in the evening. Temperatures will remain at 33 degrees when it gets dark. Humidity during the day will decrease from 53 - 75%.

According to the National Center for Hydro-Meteorological Forecasting, on June 21, from Thanh Hoa to Thua Thien-Hue, there will be hot and extremely hot weather, with some places experiencing extremely hot weather, with the highest temperature commonly ranging from 36-39 degrees Celsius, some places above 39 degrees Celsius; the lowest relative humidity commonly ranging from 40-45%.

The midlands and deltas of the North, Hoa Binh and from Da Nang to Quang Ngai are hot, with some places experiencing severe heat with the highest temperature commonly ranging from 35-37 degrees Celsius, some places above 37 degrees Celsius; the lowest relative humidity commonly ranges from 50-55%.

It is known that June 21st every year is usually the summer solstice, marking the time of extreme heat of the year. During this time, the temperature rises and the weather becomes very hot.

On June 22, from Thanh Hoa to Thua Thien-Hue, there will be hot weather, some places will be extremely hot with the highest temperature commonly ranging from 35-37 degrees Celsius, some places above 37 degrees Celsius; the lowest relative humidity commonly ranges from 50-55%.

From June 23, the heat wave in the Central region is likely to gradually decrease. The risk of natural disasters due to heat wave is at level 1.

Due to the effects of heat and intense heat combined with low humidity, people need to be aware of the risk of explosions and fires in residential areas due to increased demand for electricity and the risk of forest fires.

In addition, heat can also cause dehydration, exhaustion, and heat stroke in the human body when exposed to high temperatures for a long time.

At sea, currently, the central and southern East Sea (including Truong Sa sea area), the sea area from Phu Yen to Ca Mau, Ca Mau to Kien Giang, and the Gulf of Thailand are experiencing showers and thunderstorms; at Phu Quy island station, there are times when the wind is strong at level 6, and at Huyen Tran island station, there are strong gusts of wind at level 9.

Forecast for the day and night of June 21, the central and southern East Sea (including Truong Sa sea area), the sea area from Binh Dinh to Ca Mau, Ca Mau to Kien Giang and the Gulf of Thailand will have showers and strong thunderstorms; during thunderstorms, there is a possibility of tornadoes and strong gusts of wind level 7-8, beware of wave heights sometimes increasing to over 2m.

The sea area from Binh Thuan to Ca Mau and the sea area west of the South China Sea (including the sea area west of Truong Sa) has strong southwest wind level 5, sometimes level 6, gusting to level 7-8; rough sea; waves from 1.5-3m high.

All vessels operating in the above areas are at high risk of being affected by tornadoes, strong winds and large waves.

Thunderstorms in many places across the country on the evening of June 21

According to the National Center for Hydro-Meteorological Forecasting, in the evening and night of June 21, in the North and the area from Da Nang to Quang Ngai, there will be scattered showers and thunderstorms, locally heavy rain, with rainfall from 15-30mm, in some places over 70mm.

Thunderstorm warning in Hanoi and the Northern region this evening and tonight (June 21).

The South Central, Central Highlands and Southern regions will have showers and thunderstorms, locally heavy to very heavy rain with rainfall from 20-50mm, some places over 80mm (rain is mainly concentrated in the afternoon and night).

Showers and thunderstorms, locally heavy to very heavy rain in the South Central, Central Highlands and Southern regions are likely to last until around June 23.

Thunderstorms may cause tornadoes, lightning, hail and strong gusts of wind. Localized heavy rain may cause flash floods on small rivers and streams, landslides on steep slopes and flooding in low-lying areas. Beware of heavy rain in a short period of time causing flooding in urban areas.

Weather forecast for regions across the country day and night June 21

The Northwest region is cloudy, sunny during the day, especially in Hoa Binh province where it is hot and sunny, with some places experiencing severe heat; in the evening and at night there will be scattered showers and thunderstorms, locally heavy rain; light winds; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong gusts of wind.

Lowest temperature 25-28 degrees Celsius; in the Northwest region, some places are below 24 degrees Celsius. Highest temperature 31-34 degrees Celsius; in Hoa Binh, 35-37 degrees Celsius, some places are above 37 degrees Celsius.

The Northeast region is cloudy, sunny during the day, especially in the midlands and plains, hot and sunny, with some places experiencing severe heat. In the evening and at night, there will be scattered showers and thunderstorms, locally heavy rain; Southeast to South winds level 2-3; in thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.

Lowest temperature 26-29 degrees Celsius, in mountainous areas below 25 degrees Celsius. Highest temperature 31-34 degrees Celsius; midlands and plains 35-37 degrees Celsius, in some places above 37 degrees Celsius.

Hanoi capital is cloudy, hot during the day, scattered showers and thunderstorms in the evening and at night. Southeast to South wind level 2-3; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Lowest temperature 27-29 degrees Celsius. Highest temperature 35-37 degrees Celsius.

Provinces from Thanh Hoa to Thua Thien-Hue will be cloudy, sunny and very hot during the day, with some places experiencing extremely hot weather; showers and thunderstorms in some places in the afternoon and evening. Southwesterly winds at level 2-3; thunderstorms are likely to bring tornadoes, lightning, hail and strong gusts of wind. Lowest temperature 28-31 degrees Celsius. Highest temperature 36-39 degrees Celsius, with some places reaching over 39 degrees Celsius.

Provinces and cities from Da Nang to Binh Thuan , the North is cloudy, hot during the day, some places are very hot, afternoon and night there are scattered showers and thunderstorms; the South is cloudy, scattered showers and thunderstorms, locally heavy rain.

Southwesterly wind level 2-3; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Lowest temperature 26-29 degrees Celsius. Highest temperature, North 35-37 degrees Celsius, some places above 37 degrees Celsius; South 31-34 degrees Celsius.

The Central Highlands region is cloudy, with scattered showers and thunderstorms in the afternoon and at night, with localized heavy to very heavy rain. Southwesterly winds at level 2-3; thunderstorms are likely to produce tornadoes, lightning, hail and strong gusts of wind. Lowest temperature 21-24 degrees Celsius. Highest temperature 28-31 degrees Celsius, with some places reaching over 32 degrees Celsius.

The Southern region is cloudy, with scattered showers and thunderstorms in the afternoon and at night, with localized heavy to very heavy rain. Southwesterly winds level 2-3; thunderstorms are likely to cause tornadoes, lightning, hail and strong gusts of wind. Lowest temperature 25-28 degrees Celsius. Highest temperature 31-34 degrees Celsius./.

Source: https://danviet.vn/hom-nay-21-6-chi-so-uv-o-muc-rat-cao-lieu-co-phai-la-ngay-nang-nong-dinh-diem-o-ha-noi-20240621072850401.htm