Storm No. 5 moves less, intensity decreases

(Baothanhhoa.vn) - According to the latest news from the National Center for Hydro-Meteorological Forecasting, in the past 3 hours, storm No. 5 has barely moved, its intensity has decreased to level 12, gusting to level 14.

Forecast map of storm No. 5's path at 4:30 p.m. on August 25.

It is forecasted that in the next 3-6 hours, storm No. 5 will move in a West-Northwest direction, making landfall in the area of ​​North Ha Tinh - South Nghe An. The risk of strong winds caused by storm No. 5 will still persist.

Due to the impact of the storm, many places recorded strong winds: at Bach Long Vi level 7, gust level 9; Co To level 7, gust level 10; Bai Chay level 6, gust level 8; Van Ly (Ninh Binh) level 8, gust level 9; Dien Chau ( Nghe An ) level 9, gust level 11; Quynh Luu level 7, gust level 10; Hon Ngu level 8, gust level 11; Hoanh Son (Ha Tinh) level 7, gust level 9; Ky Anh level 8, gust level 11; Cam Nhuong level 9, gust level 12; Con Co (Quang Tri) level 6, gust level 8.

Storm surge was measured at Sam Son at 1.01m, Hon Ngu at 1.66m, and Vung Ang at 0.51m. Provinces from the Northern Delta to Thanh Hoa - Quang Tri had moderate to heavy rain, and in some places very heavy rain of over 500mm.

At 4:00 p.m. on August 25, the storm center was at about 18.4°N; 106.0°E, in the coastal waters of Nghe An - Ha Tinh. The strongest wind was level 11-12 (103-133 km/h), gusting to level 14, moving in the West Northwest direction at a speed of 15-20 km/h.

Storm forecast for the next 6-24 hours:

By 10 p.m. on August 25, the storm was moving West Northwest at a speed of 15-20 km/h, with its center at about 18.6°N - 105.1°E, on the mainland of Thanh Hoa - Ha Tinh provinces. Its intensity decreased to level 8-9, gusting to level 11. The danger zone is from latitude 17.0°N to 20.5°N, west of longitude 109.0°E. Disaster risk level: level 3, affecting the North Gulf of Tonkin (including Bach Long Vi special zone), the sea area from Thanh Hoa to Quang Tri (including Hon Ngu island).

At 4:00 a.m. on August 26, the storm continued to move West-Northwest at 15-20 km/h, with its center at about 19.0°N - 104.1°E, in the Central Laos region. Its intensity remained at level 6, with gusts at level 8. The danger zone remained from latitude 17.0°N to 20.5°N, west of longitude 108.5°E. Level 3 natural disaster risk still applied to the North Gulf of Tonkin and the sea area from Thanh Hoa to Quang Tri.

At 4:00 p.m. on August 26, the storm moved West-Northwest at about 20 km/h, gradually weakening into a low pressure area at about 19.4°N - 101.4°E, in the Central Laos area.

Forecasting the impact of storms

At sea: The sea area from Thanh Hoa to Quang Tri (including Hon Ngu island, Con Co special zone) has strong winds of level 8-10, near the storm center level 11-12, gusts of level 14; waves 4.0-6.0m high, near the storm center 7.0-9.0m, rough seas. Northern Bac Bo Gulf (including Cat Hai, Co To, Van Don) has winds of level 6-7, gusts of level 9; especially in the southern area of ​​Northern Bac Bo Gulf (including Bach Long Vi) winds of level 7-8, gusts of level 10; waves 3.0-5.0m high, rough seas.

On the afternoon of August 25, in the coastal areas of Nghi Son and Tien Trang, Thanh Hoa province, there was heavy rain and high waves.

Rising water: At the coast and islands from Hai Phong - Nghe An, the water level continues to rise due to the combination of tides and storms, increasing by 0.5-1.0m. At Hon Dau (Hai Phong) it reaches 3.4-3.9m; Ba Lat (Ninh Binh) 1.7-2.2m; Sam Son (Thanh Hoa) 3.7-4.2m; Hon Ngu (Nghe An) 3.8-4.0m. There is a high risk of flooding dikes, coastal roads and river mouths, especially in Nghe An and Thanh Hoa on the evening of August 25.

Warning: Weather conditions at sea and along the coast are extremely dangerous. Facilities such as boats, aquaculture areas, dykes, and coastal roads are at risk of damage, capsizing, and flooding due to strong winds, large waves, and rising sea levels.

On land: North Thanh Hoa wind level 7-8, gusts 9-10; South Thanh Hoa - North Ha Tinh wind level 9-10, near the storm center level 11-12, gusts 13-14; South Ha Tinh - Quang Tri and coastal areas from Quang Ninh to Ninh Binh wind level 6-8, gusts 9-10.

Heavy rain: From the evening of August 25 to the end of August 26, the midlands and deltas of the North, Lao Cai, Son La and the provinces from Thanh Hoa to Quang Tri will have heavy to very heavy rain, generally 70-150mm, some places over 250mm; Thanh Hoa to Northern Quang Tri will have rain of 150-350mm, some places over 500mm. Warning of the risk of extremely heavy rain over 200mm/3 hours.

In Hanoi, there will be moderate to heavy rain with thunderstorms; in Da Nang, there will be occasional showers; in Ho Chi Minh City, there will be rain and thunderstorms concentrated in the evening. From August 25-27, in Upper and Central Laos, there will be heavy rain of 100-250mm, in some places over 500mm.

NM

Source: https://baothanhhoa.vn/bao-so-5-it-di-chuyen-cuong-do-giam-259452.htm