The North enters the peak of thunderstorms, with more areas at risk of flash floods.

According to the National Center for Hydro-Meteorological Forecasting, last night and early this morning (May 9), in the Northern and North Central regions, there were showers and thunderstorms, locally heavy rain, especially in the mountainous and midland areas of the North, there was moderate rain, heavy rain, and very heavy rain in some places. The rainfall from 7:00 p.m. on May 8 to 3:00 a.m. on May 9 was over 80 mm in some places, such as: Nghia Do (Lao Cai) 129.4 mm, Hoang Khai (Tuyen Quang) 119.4 mm, Trung Hoi (Thai Nguyen) 93.8 mm, Nam Cuong (Bac Kan) 86.6 mm, Nhon Mai (Nghe An) 84.0 mm, ...

Today the North continues to have thunderstorms, many places are at risk of flash floods and landslides.

It is forecasted that during the day and night of May 9, the Northern and North Central regions will have showers and thunderstorms, with localized heavy rains with rainfall ranging from 20 - 40 mm, with some places exceeding 90 mm. 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 flooding in low-lying areas.

Regarding the risk of flash floods and landslides, the meteorological agency said that in the past 24 hours (from 2:00 a.m. on May 8 to 2:00 a.m. on May 9), the mountainous provinces of the North, Thanh Hoa and Nghe An have had rain, moderate rain, heavy rain, and very heavy rain in some places such as: Be Trieu (Nuoc Hai) 171 mm, Thai Cuong 147.3 mm (Cao Bang), Xuan Lap 133.4 mm (Tuyen Quang), Nghia Do 132 mm (Lao Cai), Mau Son 106.4 mm (Lang Son), Duc Van 103.8 mm (Bac Can)...

Soil moisture models show that some areas in the above provinces are close to saturation (over 85%) or have reached saturation.

This morning (May 9), the provinces of Lao Cai, Ha Giang, Tuyen Quang, Yen Bai, Thai Nguyen, Bac Giang, Cao Bang, Bac Can, Lang Son, Phu Tho, Thanh Hoa, Nghe An continued to have rain, with common rainfall from 30 - 60 mm, in some places over 90 mm.

Flash floods and landslides can have very negative impacts on the environment, threaten people's lives; cause local traffic congestion, affect the movement of vehicles; destroy civil and economic works, causing damage to production and socio-economic activities.

From May 9 to 10, the Southern region will have hot weather, some places will be extremely hot with the highest temperature commonly ranging from 34 to 37 degrees, some places will be over 37 degrees. The lowest relative humidity is commonly 45 to 55%. The hot weather in the Southern region is likely to last in the coming days. The area from Quang Nam to Khanh Hoa and the Central Highlands will have localized hot weather with the highest temperature in some places over 35 degrees.

Weather forecast from the night of May 11 to May 19, the Northern region from the night of May 11 to 15 will have showers and thunderstorms, locally heavy rain. From Thanh Hoa to Thua Thien Hue, it will be sunny, from May 11 to 12, there will be hot weather in some places; from Thanh Hoa to Ha Tinh from the night of May 11 to 15, there will be scattered showers and thunderstorms, locally heavy rain. The Southern region will be hot, some places will be very hot. Other regions will have showers and thunderstorms in the evening and at night; sunny days, some places will be hot. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.

Weather forecast for regions on May 9:

Hanoi: Cloudy, scattered showers and thunderstorms, locally heavy rain. East to southeast wind level 2 - 3. Thunderstorms are likely to cause tornadoes, lightning and strong gusts of wind. Lowest temperature: 24 - 26 degrees. Highest temperature: 28 - 30 degrees.

Northwest: Cloudy, moderate rain, heavy rain and thunderstorms, some places with very heavy rain. Light wind. Thunderstorms may have tornadoes, lightning, hail and strong gusts. Lowest temperature 22 - 25 degrees, some places below 21 degrees. Highest temperature 28 - 31 degrees, some places above 31 degrees.

Northeast: Cloudy, scattered showers and thunderstorms, locally heavy rain; mountainous and midland areas have moderate rain, heavy rain and thunderstorms, some places have very heavy rain. East to southeast wind level 2 - 3. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Lowest temperature 23 - 26 degrees. Highest temperature 27 - 30 degrees, some places over 30 degrees.

Thanh Hoa - Thua Thien Hue: The North is cloudy with scattered showers and thunderstorms, locally heavy rain; the South is cloudy with scattered showers and thunderstorms. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. The lowest temperature is 24 - 27 degrees. The highest temperature is 30 - 33 degrees, some places are over 33 degrees.

Da Nang to Binh Thuan: Cloudy, with showers and thunderstorms in some places in the late afternoon and at night; sunny during the day, with some places from Quang Nam to Khanh Hoa being hot. East wind level 2 - 3. There is a possibility of tornadoes, lightning, hail and strong gusts of wind during thunderstorms. Lowest temperature 25 - 28 degrees. Highest temperature 31 - 34 degrees, some places above 35 degrees.

Central Highlands: Cloudy, with showers and thunderstorms in some places in the late afternoon and at night; sunny during the day, some places are hot. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Lowest temperature 20 - 23 degrees. Highest temperature 31 - 34 degrees, some places above 35 degrees.

Southern region: Cloudy, scattered showers and thunderstorms at night, hot and sunny during the day, some places with intense heat; scattered showers and thunderstorms in the evening tomorrow. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Lowest temperature 25 - 28 degrees. Highest temperature 34 - 36 degrees, some places above 36 degrees.

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Source: https://baolaocai.vn/mien-bac-buoc-vao-cao-diem-mua-dong-them-nhieu-diem-nguy-co-xay-ra-lu-quet-post383830.html