Storm No. 9 downgraded to level 5, causing floods on rivers in the Northern region, Thanh Hoa and Nghe An

Photo caption — The movement of storm No. 9 at 4 p.m. on September 24. Photo: VNA

Accordingly, at 7:00 p.m. on September 24, the center of the storm was at about 21.6 degrees North latitude; 111.4 degrees East longitude, about 375km east of Mong Cai ( Quang Ninh ). The strongest wind near the center of the storm was level 12 (118-133km/h), gusting to level 15. Moving in the West Northwest direction at a speed of about 20km/h.

Forecast, by 7am on September 25, storm Mong Cai in Quang Ninh province is about 100km to the East with wind speed of level 8-9, gusting to level 11 and moving west at a speed of about 20km/h and gradually weakening. The affected area is the northwest sea area of the North East Sea; the northern Gulf of Tonkin, the northeastern coast with disaster risk level 3.

By 7 p.m. on September 25, the storm was on land in the northeastern provinces of the North with winds of level 6, gusts of level 8; moving west at a speed of about 20 km/h, weakening into a tropical depression. The affected area is the northern Gulf of Tonkin; the northeastern coast with a level 3 natural disaster risk.

At 7:00 a.m. on September 26, the storm on land in the Northwest region of the North with winds below level 6; moving west at a speed of about 20km/h, weakening into a low pressure area.

Due to the influence of the storm, the northwest sea area of the North East Sea has strong winds of level 8-10, the area near the storm's eye has winds of level 11-12, gusts of level 15, waves 6-8m high, and rough seas.

The Northern Gulf of Tonkin area (including Bach Long Vy, Van Don, Co To, Cat Hai and Hon Dau islands) has strong winds of level 6-8, waves 2-4m high, areas near the storm center have winds of level 9-10, gusts of level 12, waves 3-4m high, very rough seas.

The coastal areas of Quang Ninh province have storm surges of 0.3-0.5m. Ships and boats anchored along the coast and aquaculture areas are strongly affected by strong winds, big waves and rising sea levels.

On land, from early morning on September 25, coastal areas from Quang Ninh to Hung Yen will have winds gradually increasing to level 6-7, near the storm center level 8, gusting to level 9-10; inland areas in the Northeast, there will be strong winds of level 5, in some places level 6, gusting to level 7-8.

From the night of September 24 to the end of the night of September 26, in the Northern region, Thanh Hoa and Nghe An, there will be heavy to very heavy rain with common rainfall of 150-300mm, locally over 450mm. Beware of heavy rain causing urban flooding.

From September 25 to September 27, there is a possibility of a flood on rivers in the Northern region, Thanh Hoa, and Nghe An. The flood peak on Thao River and small rivers is likely to rise to alert level 2-3; the flood peak on Lo River, upstream Thai Binh River, Hoang Long River, Buoi River, upstream Ma River will rise to alert level 1-2, with some rivers above alert level 2.

Source: https://baotintuc.vn/xa-hoi/bao-so-9-giam-5-cap-gay-lu-tren-cac-song-o-khu-vuc-bac-bo-thanh-hoa-va-nghe-an-20250924205306854.htm