Storm No. 10 (Bualoi) with level 15 gusts, moving very fast, about 580km from Hoang Sa special zone

Storm No. 10 (Bualoi) is moving at a speed of 35-40km/h, with a strength of level 11-12, gusting to level 15, about 580km from Hoang Sa special zone. This is a very fast moving storm with strong storm intensity, which can cause combined impacts of many types of natural disasters such as strong winds, heavy rains, floods, flash floods, landslides and coastal flooding.

The movement and path of storm No. 10 (Bualoi) at 6:00 a.m. on September 27. (Photo: Vietnam Disaster Monitoring System)

According to the National Center for Hydro-Meteorological Forecasting, at 4:00 a.m. on September 27, the eye of the storm was at about 14 degrees north latitude; 116.6 degrees east longitude, about 580 km east-southeast of Hoang Sa special zone. The strongest wind near the eye of the storm was level 11-12 (103-133 km/h), gusting to level 15. Moving west-northwest at a speed of 35-40 km/h.

This is a very fast moving storm (nearly twice the average speed), with strong storm intensity and wide range of influence, which can cause combined impacts of many types of natural disasters such as strong winds, heavy rains, floods, flash floods, landslides and coastal flooding.

By 4 a.m. on September 28, storm Bualoi was moving west-northwest at a speed of about 55km/h and was likely to strengthen. The center of the storm was at about 16.3 degrees north latitude, 110 degrees east longitude, in the sea west of Hoang Sa special zone, about 180km east of Da Nang city. The strongest wind near the center of the storm was level 12, gusting to level 16. Natural disaster risk: Level 3 in the northern and central East Sea (including Hoang Sa special zone); the sea from Ha Tinh to Quang Ngai (including Hon Ngu island, Con Co special zone and Ly Son) and the northern Gulf of Tonkin (including Bach Long Vy special zone, Van Don, Co To, Cat Hai and Hon Dau island); the area from Ninh Binh to Hue city.

By 4 a.m. on September 29, the storm was moving west-northwest at a speed of about 20-25 km/h. The center of the storm was at about 18.5 degrees north latitude, 105.5 degrees east longitude, on the mainland from Nghe An to North Quang Tri. The strongest wind near the center of the storm was level 8-9, gusting to level 11. Natural disaster risk: Level 3 in the western sea area of the northern East Sea (including Hoang Sa special zone), from Thanh Hoa to Quang Ngai (including Hon Ngu island, Con Co special zone and Ly Son) and the northern Gulf of Tonkin (including Bach Long Vy special zone, Van Don, Co To, Cat Hai and Hon Dau island); the area from Ninh Binh to Hue city.

At 4:00 a.m. on September 30, the storm continued to move west-northwest at a speed of about 20-25 km/h and gradually weakened into a low-pressure area. The center of the storm was located at about 20.8 degrees north latitude, 101.1 degrees east longitude. The strongest wind near the center of the low-pressure area was level 6. Natural disaster risk: Level 3 in the sea area from Thanh Hoa to northern Quang Tri (including Hon Ngu island, Con Co special zone) and northern Bac Bo Gulf (including Bach Long Vy special zone, Van Don, Co To, Cat Hai and Hon Dau island); the area from Ninh Binh to northern Quang Tri.

Storm No. 10 causes strong winds, big waves, and rough seas

At sea, the northern and central areas of the East Sea (including Hoang Sa special zone) have strong winds of level 8-9, the area near the storm's eye has winds of level 10-13, gusts of level 16, waves 6-8m high, the area near the storm's eye has waves of 8-10m, and the sea is very rough.

From the evening of September 27, the sea area from Thanh Hoa to Quang Ngai (including Hon Ngu island, Con Co special zone and Ly Son) gradually increased the wind to level 6-7, gusting to level 8-9, waves 3-5m high, rough seas. From early morning of September 28, the wind increased to level 8-9, the area near the storm center passed level 10-13, gusting to level 16, waves 5-7m high, rough seas (extremely destructive, extremely strong waves. Sinking large tonnage ships).

From early morning on September 28, in the Northern Gulf of Tonkin (including Bach Long Vi, Van Don, Co To, Cat Hai and Hon Dau islands), the wind gradually increased to level 6-7, then increased to level 8-9 (very rough seas, very dangerous for boats), gusting to level 11, waves from 3.0-5.0m high, very rough seas.

Storm surge and coastal flood warnings

Coastal areas and islands from Ninh Binh to Ha Tinh have storm surges of 1-2m, and Thanh Hoa and Nghe An have 1.5-2m. There is a high risk of flooding along dykes, coastal roads, and river mouths due to storm surges and very high waves on the evening and night of September 28.

The meteorological agency warns that the weather at sea and in coastal areas during the storm is extremely dangerous and unsafe for any vehicles or structures operating in the danger zone such as cruise ships, passenger ships, transport ships, cages, rafts, aquaculture areas, dykes, embankments, and coastal routes.

Vehicles are at high risk of capsizing and destruction; flooding due to strong winds, large waves and rising sea levels.

On land, from the afternoon of September 28, on land from Thanh Hoa to northern Quang Tri, winds gradually increase to level 6-7, then increase to level 8-9, near the storm's eye level 10-12 (wind force can knock down trees, houses, electric poles, causing very heavy damage), gusts level 14; coastal areas from Quang Ninh to Ninh Binh, from southern Quang Tri to Hue city, winds gradually increase to level 6-7 (trees shake, difficult to go against the wind), gusts level 8-9.

From early morning of September 28 to September 30, in the North and the area from Thanh Hoa to Hue city, there is a possibility of widespread heavy rain with total rainfall ranging from 100-300mm, locally over 400mm; in the Northern Delta and from Thanh Hoa to Ha Tinh, it is common from 200-400mm, locally over 600mm.

According to Ngoc Bich/nhandan.vn

Source: https://baovinhlong.com.vn/thoi-su/202509/bao-so-10-bualoi-giat-cap-15-di-chuyen-rat-nhanh-cach-dac-khu-hoang-sa-khoang-580km-f1005c8/