From the evening and night of July 21, coastal areas from Quang Ninh to Nghe An will have winds gradually increasing to level 7-9, and areas near the storm center will have winds of level 10-11.

Storm center location at 7:00 p.m. on July 21 : About 20.9 degrees North latitude; 108.5 degrees East longitude, about 86 km from Quang Ninh, about 210 km east of Hai Phong , about 230 km from Hung Yen, about 257 km east northeast of Ninh Binh.
Strongest wind: Level 9-10 (75-102 km/h), gust level 1 3 .
Forecast: In the next 3 hours, the storm will move in the West Southwest direction, at a speed of about 10 km/h.

Location of storm No. 3 at 7:00 p.m. on July 21. Photo: National Center for Hydro-Meteorological Forecasting

From the evening and night of July 21, coastal areas from Quang Ninh to Nghe An will have winds gradually increasing to level 7-9, areas near the storm center will have winds gradually increasing to level 10-11, gusting to level 14; inland areas of the provinces and cities of Hai Phong, Hung Yen, Bac Ninh, Hanoi , Ninh Binh and Thanh Hoa, winds gradually increasing to level 6, gusting to level 7-8.
Winds of level 10-11 can knock down trees, electric poles, and rip off roofs, causing very serious damage.

From the evening of July 21 to July 23, in the Northeast region, the Northern Delta, Thanh Hoa and Nghe An, there will be heavy to very heavy rain and thunderstorms with common rainfall of 200-350mm, locally over 600mm; other places in the Northern region and Ha Tinh will have moderate rain, heavy rain, locally very heavy rain and thunderstorms with common rainfall of 100-200mm, locally over 300mm. Warning of the risk of heavy rain (>150mm/3 hours). Heavy rain in a short period of time can cause flash floods, landslides in mountainous areas, and flooding in low-lying areas.

Source: https://baonghean.vn/from-toi-va-dem-21-7-vung-ven-bien-tu-quang-ninh-den-nghe-an-co-gio-manh-dan-len-cap-7-9-vung-gan-tam-bao-cap-10-11-10302815.html