Updated from the National Center for Hydro-Meteorological Forecasting, the flood on the Cau River (Bac Ninh) peaked at 7.52m (at 11:00 p.m. on October 9), 1.22m above alert level 3 and is slowly receding. Floods on the Trung River (Lang Son) and the Thuong River (Bac Ninh) continue to decrease.
The water level at 1:00 a.m. on October 10 on the rivers is as follows:
On Cau River at Dap Cau Station: 7.52m, above alert level 3 by 1.22m.
On Thuong River at Cau Son station: 17.70m, above alert level 3 1.70m; at Phu Lang Thuong station: 7.54m, above alert level 3 1.24m, 0.01m higher than the historic flood in 1986 (7.53m).
On the Trung River at Huu Lung station: 22.11m, above alert level 3 3.11m, 0.43m below the historical flood level in 1986 (22.54m).
In the next 12 hours, the flood on the Cau River at Dap Cau station will recede slowly and will still be above alert level 3; flood on the Thuong River at Cau Son station and Phu Lang Thuong station, on the Trung River at Huu Lung station will continue to recede and remain above alert level 3.
In the next 12 - 24 hours, floods on rivers will continue to decrease but will still be above alert level 3.
In the next 24 hours, floods on Luc Nam River (Bac Ninh) at Luc Nam Station, floods on Thai Binh River (Hai Phong) at Pha Lai Station are receding and are above alert level 1.
Due to the regulation of the operation of opening 3 bottom spillways and power generation of Tuyen Quang hydropower plant (3rd bottom spillway opened at 7:00 p.m. on October 9), the water level on the Gam and Lo rivers (Tuyen Quang) will rise rapidly with a flood amplitude of 1 - 3m. During this flood, the peak water level on the Gam River will be at alert level 2 and above alert level 2; on the Lo River, it will be below alert level 1.
Widespread flooding in Thai Nguyen, Bac Ninh, Lang Son provinces will continue for the next 2-3 days; there is a risk of riverbank, river dike and landslides on steep slopes in the above area.
Real-time warning information for areas at risk of flash floods and landslides is provided online on the website of the Department of Hydrometeorology at: https://luquetsatlo.nchmf.gov.vn and in a separate bulletin warning of flash floods and landslides.
The warning level of natural disaster risk due to floods is level 3. Floods on rivers cause flooding in low-lying areas along rivers, affecting activities such as waterway transportation, aquaculture, agricultural production, people's lives and socio-economic activities.
The meteorological agency noted that forecast and warning information is calculated at the expected regulation level of discharge from upstream reservoirs. The Hydrometeorological Agency will update bulletins when there are changes in the discharge flow of reservoirs.
