At 10 am on September 25, the storm had weakened to a tropical depression about 40 kilometres east of Mong Cai, with maximum sustained winds of level 7 and gusts of level 9. It was moving westward at around 20 kilometres per hour.
The storm has brought strong winds to the northern Gulf of Tonkin, including Bach Long Vi, Van Don, Co To, Cat Hai and Hon Dau, with winds of level 6-7, rising to level 8 and gusts of level 10 near the centre. Waves of 2-3 metres were reported, with rough seas.
Onshore, coastal areas from Quang Ninh to Haiphong saw winds of level 6, with some places at level 7 and gusts of level 8-9. Further inland in the northeast, gusts reached levels 6-7.
From the morning of September 25 until late September 26, heavy to very heavy rainfall is expected across the northern region, Thanh Hoa and Nghe An, with totals of 100-200 millimetres and localised areas above 300 millimetres, raising the risk of urban flooding.
Between September 25 and 27, rivers in the northern region, Thanh Hoa and Nghe An are expected to experience flooding. Water levels on the Thao, Lo, upper Thai Binh, Hoang Long, Buoi and upper Ma rivers may reach alert levels 1-2, with some exceeding level 2.
Authorities warned of risks of flooding in low-lying areas, flash floods in small rivers and streams, and landslides on steep slopes.
