According to the National Center for Hydro-Meteorological Forecasting, at 7:00 p.m. on August 24, the center of the storm was at about 17.9 degrees north latitude, 109.4 degrees east longitude, about 410km from Nghe An, about 390km east-southeast of Ha Tinh, about 340km east of northern Quang Tri. The strongest wind near the storm center is level 14 (150-166km/h), gusting to level 17 and is likely to strengthen.
Forecast of very strong storm intensity in the next 12 hours
It is forecasted that in the next 12 hours, the storm will move west-northwest at a speed of about 20km/h.
At 7:00 a.m. on August 25, the center of the storm was at about 18.2 degrees north latitude, 107.3 degrees east longitude, in the southern sea of the Gulf of Tonkin; about 200km from Nghe An, about 180km east-southeast of Ha Tinh, about 90km north of Quang Tri to northeast. The strongest wind is level 14, gusting to level 17.
The danger zone is north of latitude 16 degrees north to 20 degrees north, west of longitude 111.5 degrees east. Level 3 natural disaster risk for the western sea area of the northern East Sea, the Gulf of Tonkin, the southern sea area of Quang Tri - Thua Thien Hue (including Hon Ngu island, Con Co special area). Level 4 natural disaster risk for coastal waters from Thanh Hoa to Quang Tri.
It is forecasted that in the next 24 hours, the storm will move west-northwest at a speed of about 20km/h, entering the mainland of the Vietnam - Laos border.
At 7:00 p.m. on August 25, the center of the storm was at about 18.7 degrees north latitude and 105.2 degrees east longitude. The strongest wind is level 10-11, gusting to level 14.
The danger zone is north of the latitude of 16.5 degrees north latitude to 20.5 degrees north latitude, west of the longitude of 110 degrees east longitude. Level 3 natural disaster risk: Gulf of Tonkin, southern sea area of Quang Tri - Thua Thien Hue (including Hon Ngu island, Con Co special area). Level 4 natural disaster risk for coastal waters from Thanh Hoa to Quang Tri, mainland provinces from Thanh Hoa to northern Quang Tri.
It is forecasted that in the next 48 hours, the storm will move west-northwest at a speed of 15-20km/h and gradually weaken.
At 7:00 p.m. on August 26, the center of the low pressure area was at about 19.2 degrees north latitude, 101.1 degrees east longitude, in the Thailand - Laos border area. Wind intensity decreases below level 6.
The impact of the storm will be most concentrated tomorrow, August 25
At sea, the sea area west of the northern East Sea will have strong winds of level 8-10, near the storm center level 11-13, gusts of level 16, waves 5.0-7.0m high, near the storm center 7-9m, the sea will be very rough.
The sea area from Thanh Hoa to Thua Thien Hue (including Hon Ngu island, Con Co special area) will have strong winds of level 7-9, then increase to level 10-12, near the storm's eye level 13-14, gusts of level 17; waves 5-7m high, near the storm's eye 8.0-10.0m; the sea will be very rough. The northern Gulf of Tonkin (including the special areas of Cat Hai, Co To, Van Don) will have winds gradually increasing to level 6-7, gusting to level 9; In the south, the northern area of the Gulf of Tonkin (including the special area of Bach Long Vi) will have strong winds of level 8-9, gusting to level 11. The waves are 2.5-4.5m high; the sea is very rough.
Storm surge in coastal areas and islands from Hai Phong to northern Quang Tri will have storm surge water from 0.5-1.8m high, especially Thanh Hoa and Nghe An will have 1.0-1.8m.
The water level according to the station markers at Hon Dau (Hai Phong) is 3.4.8m high, Ba Lat (Ninh Binh) 1.7-2.1m, Sam Son (Thanh Hoa) 3.6-3.8m, at Hon Ngu (Nghe An) 3.4.8m, at Cua Nhuong (Ha Tinh) 2.2-2.000m. High risk of flooding in low-lying areas, coastal areas, river mouths due to rising water and big waves in the afternoon and evening of August 25.
On land, from early morning on August 25, on land from Thanh Hoa to Quang Tri, the wind will gradually increase to level 8-11, gusting to level 12-14. In particular, Nghe An - northern Ha Tinh area has strong winds of level 12-14, gusting to level 15-16. Coastal areas from Quang Ninh to Ninh Binh provinces will have winds gradually increasing to level 6-8, gusting to level 9-10.
Regarding the development of heavy rain, from the night of August 24 to the end of August 26, in the midlands and deltas of the North, the Lao Cai area and from Thanh Hoa to Thua Thien Hue, there will be widespread heavy rain with common rainfall of 100-150mm, locally over 250mm; Thanh Hoa to northern Quang Tri will have heavy to very heavy rain with common rainfall of 200-400mm, locally over 700mm. Warning of the risk of heavy rain over 200mm/3 hours.
From the night of August 24 to August 26, the Hanoi capital will have moderate rain, heavy rain and thunderstorms. On the night of August 24 and August 25, Da Nang city will have rain, moderate rain and thunderstorms.
From the night of August 24 to August 26, Ho Chi Minh City will have rain, showers and thunderstorms, concentrated in the afternoon and evening. During thunderstorms, it is necessary to be on guard against the risk of tornadoes and strong gusts of wind.
From August 25-27, the upper and middle areas of Laos will have heavy rain with common rainfall of 100-250mm, with some places in the middle Laos having over 500mm.
