According to the National Center for Hydro-Meteorological Forecasting, at 7:00 a.m. on August 18, the center of the tropical depression was at about 18.8 degrees north latitude; 108.4 degrees east longitude, in the sea east of the Gulf of Tonkin, about 135 km southeast of Bach Long Vi Special Zone.
The strongest wind near the center of the tropical depression is level 6 - 7 (39 - 61 km/h), gusting to level 9; moving northwest at a speed of about 15 km/h.
It is forecasted that in the next 24 hours, the tropical depression will move northwest at a speed of about 15 km/h. At 7:00 a.m. on August 19, the center was at about 21.5 degrees north latitude; 107.4 degrees east longitude, in the Quang Ninh and Lang Son areas. Strong wind level 6, gust level 8.
The danger zone is determined to be north of latitude 18.5 degrees north; west of longitude 109.0 degrees east. Level 3 natural disaster risk, affected areas include the eastern sea area of southern Quang Tri, the Gulf of Tonkin area (including Bach Long Vi and Co To specialties).
It is forecasted that in the next 36 hours, the tropical depression will move north-northeast at a speed of about 15 km/h and gradually weaken into a low pressure area. At 7:00 p.m. on August 19, the center was at about 23.0 degrees north latitude; 107.1 degrees east longitude, in the Vietnam - China border area. Wind power below level 6.
Regarding the impact of the tropical depression at sea, the sea area east of the southern Quang Tri area and the Gulf of Tonkin (including the special areas of Bach Long Vi and Co To) will have thunderstorms, strong winds of level 6-7, gusts of level 9, waves 2 - 3.5 m high, rough seas. Ship operating in the above-mentioned dangerous areas are likely to be affected by thunderstorms, whirlwinds, strong winds and large waves.
On land, from the afternoon of August 18, coastal areas from Quang Ninh and Hai Phong will have strong winds of level 6, gusting to level 8.
From August 18 to the morning of August 20, the northeast and Thanh Hoa will have moderate rain, heavy rain and thunderstorms, with common rainfall of 50 - 150 mm, locally very heavy rain over 300 mm.
On the day and night of August 18, Nghe An will have moderate rain, heavy rain and thunderstorms, with common rainfall of 30 - 60 mm, locally very heavy rain over 120 mm.
On August 18, Ha Tinh and Quang Tri areas will have moderate rain, heavy rain and thunderstorms, with common rainfall of 20 - 50 mm, locally very heavy rain over 100 mm.
