Due to the influence of storm No. 10, at Co To station (Quang Ninh), there were strong winds of level 7, gusting to level 9; Bach Long Vi station (Hai Phong) had strong winds of level 8, gusting to level 9; Hon Ngu station (Nghe An) had strong winds of level 10, gusting to level 14, water rose due to the storm at 1.6m high; Con Co station (Quang Tri) had strong winds of level 10, gusting to level 11. On the mainland along the coast of the provinces from Quang Ninh to North Quang Tri, there were strong winds of level 6-9, gusting to level 10-12, near the storm center level 10-11, gusting to level4; at Dien Chau station (Nghe An), strong winds of level 11, gusting to level3; Hoanh Son station (Ha Tinh) strong winds of level 11, gusting to level4; Ky Anh station (Ha Tinh) strong winds of level 10, gusting to level 12.
At 12:00 on September 29, the center of the storm was at about 19.3 degrees north latitude; 104 degrees east longitude, on the mainland of the Nghe An - Central Laos border area. The strongest wind near the storm center is level 8, gusting to level 10.
It is forecasted that in the next 3 hours, the storm will move west-northwest, at a speed of about 20-25km/h.
It is forecasted that in the next 10 hours, the storm will gradually weaken into a tropical depression, followed by a low pressure area.
At 10:00 p.m. on September 29, the center of the storm was at about 20.2 degrees north latitude; 102.1 degrees east longitude, in the Upper Laos area. Intensity below level 6.
The danger zone has a latitude of 17.5 to 20 degrees north latitude, west of 108.0 degrees east longitude. The natural disaster risk level is level 3, the sea area from Thanh Hoa to Ha Tinh (including Hon Ngu island), the northern Gulf of Tonkin (including Van Don special zone, Co To, Cat Hai and Hon Dau island).
Regarding the impact of the storm at sea, the northern area of the Gulf of Tonkin (including Van Don, Co To, Cat Hai specialties and Hon Dau island) and the sea area from Thanh Hoa to Ha Tinh (including Hon Ngu island) will have strong winds of level 6-7, gusts of level 9, waves 2-4m high, rough seas.
Storm surge in coastal areas and islands from Quang Ninh to Nghe An will have storm surge of 0.4-0.6 m. The risk of flooding in low-lying areas in coastal areas and along rivers due to storm surge combined with high tides and big waves in the afternoon and evening of September 29.
On land, the area from Ninh Binh to north of Ha Tinh will have strong winds of level 6-7, gusting to level 8-9, near the storm center will have level 8, gusting to level 10.
Regarding heavy rain, from noon on September 29 to September 30, the Northern Delta, Phu Tho, the southern provinces of Son La, Lao Cai and Thanh Hoa will have heavy to very heavy rain with total rainfall of 100 - 200 mm, locally over 300 mm. Warning of the risk of heavy rain with rainfall greater than 150 mm within 3 hours.
Other places in the North will have moderate rain, heavy rain, some places will have very heavy rain with a total rainfall of 70-150 mm, locally over 200 mm. From noon on September 29 to the night of September 29, Nghe An province will have moderate rain, heavy rain, some places with very heavy rain with common rainfall of 30-70 mm, locally over 150 mm.
