Storm No. 9 still maintains its speed and wind strength, about 570km from Mong Cai (Quang Ninh).

Photo caption — The movement of storm No. 9 at 11:00 a.m. on September 24. Photo: VNA

Specifically, at 10:00 a.m. on September 24, the center of the storm was at about 21.3 degrees North latitude; 113.2 degrees East longitude, about 570km east of Mong Cai ( Quang Ninh ). The strongest wind near the center of the storm was level 15 (167-183km/h), gusting to level 17. Moving in the West Northwest direction at a speed of about 20km/h.

Forecast, by 10am on September 25, the storm will be on the coastal area of Quang Ninh - Hai Phong province with wind speed of level 10, gusting to level 12 and moving in the West Northwest direction, speed of about 20km/h and gradually weakening. The Northwestern sea area of the North East Sea with natural disaster risk level 4; the North Gulf of Tonkin area, the Northeastern coast with natural disaster risk level 3.

By 10:00 a.m. on September 26, the storm weakened into a tropical depression, then a low pressure area in the West, with a speed of about 20 km/h; on land in the Northwest region of the North, the wind speed is below level 6. The Northern Gulf of Tonkin area; the Northeast coast has a level 3 natural disaster risk level.

Due to the influence of the storm, in the northwest sea area of the North East Sea, there are strong winds of level 10-12, near the eye of the storm, level 13-15, gusts over level 17, waves over 10m high; the sea is very rough. The eastern sea area of the North Gulf of Tonkin (including Bach Long Vy special zone) has strong winds of level 6-7, gusts of level 9. From the night of September 24, in the North Gulf of Tonkin (including Bach Long Vy special zone, Van Don, Co To, Cat Hai and Hon Dau island), the winds gradually increase to level 7-8, waves 2-4m high, near the eye of the storm, level 9-11, gusts of level 13, waves 3.0-5.0m high; the sea is very rough.

The coastal areas of Quang Ninh province have storm surges of 0.4-0.6m high. 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 8-9, gusting to level 11; inland areas in the Northeast, there will be strong winds of level 5, in some places level 6, gusting to level 7-8.

The National Center for Hydro-Meteorological Forecasting also forecasts that 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 100-250mm, locally over 400mm. Beware of heavy rain causing urban flooding. Heavy rain is likely to cause flooding in low-lying areas; flash floods on small rivers and streams, landslides on steep slopes. Due to the influence of the wide storm circulation, it is necessary to be on guard against the risk of thunderstorms, whirlwinds and strong gusts of wind both before and during the storm's landfall.

Source: https://baotintuc.vn/xa-hoi/bao-so-9-van-duy-tri-toc-do-va-suc-gio-cach-mong-cai-quang-ninh-khoang-570km-20250924113550019.htm