As of 8:00 a.m. on November 26, 2025, according to an update from Vietnam Electricity Group, Hoa Binh Lake recorded upstream water levels at elevation of 116.59 m; water flow to the lake reached 785 m3/s; total discharge was 1,519 m3/s.
Implementing the inter-reservoir operation process in the Red River basin, Hoa Binh Hydropower Plant closed the bottom spillway at 9:00 p.m. on November 24, 2025. After closing the spillway, the water flow downstream decreased rapidly.
At Tuyen Quang Lake, by 7:00 a.m. on November 26, the upstream water level reached 119.36 m; the water flow to the lake reached 166 m3/s; the total discharge was 375.93 m3/s.
Implementing the inter-reservoir operation process on the Red River basin, Tuyen Quang Hydropower Plant has closed 1 bottom spillway gate of Tuyen Quang Hydropower Plant, currently only maintaining power generation through generators.
As of 7:00 a.m. on November 26, Son La Lake recorded upstream water levels at 215.12 m; water flow to the lake was 512 m3/s; total discharge was 1,548 m3/s. Currently, the unit has closed all bottom spillways, only maintaining power generation through generators to regulate the flow downstream.
A similar situation occurred in Lai Chau Lake, where the upstream water level reached 294.75m; the water flow to the lake reached 559m3/s; the total discharge was 1,072m3/s. Currently, Lai Chau Hydropower Plant has also closed all spillways and surface spillways, only operating power generation through generators.
At Thac Ba Lake, as of 9:00 a.m. on November 26, the upstream water level reached 57.99 m; the water flow to the lake reached 157 m3/s; the total discharge was 366.38 m3/s. Currently, Thac Ba Hydropower Plant is maintaining 2 floodgates.
Up to this point, most large hydroelectric reservoirs in the North have simultaneously closed to release water, showing that the water source situation has stabilized, creating conditions to ensure safety downstream and maintain stable power production.
According to the National Center for Hydro-Meteorological Forecasting, today, November 26, the tropical depression will strengthen into storm No. 15, officially making landfall in the East Sea.
It is forecasted that by 1:00 p.m. this afternoon, the storm will move in a West-Northwest direction at a speed of about 20-25 km/h, entering the East Sea. The storm is located at about 12.2 degrees North latitude - 116.8 degrees East longitude, in the eastern sea of the Central East Sea.
The strongest wind near the storm center is level 9, gusting to level 11. Natural disaster risk level: Level 3 for the eastern sea area of the Central East Sea (including the northeastern sea area of Truong Sa).
Storm No. 15 is forecast to continue to strengthen as it moves deeper into the East Sea.
While on land, cold air has affected the Northern, North Central and Central Central regions.
In the Northern and North Central regions, there will be no rain, cold at night and in the morning, and some mountainous areas in the North will be very cold. The highlands of the North are wary of the possibility of frost.
The lowest temperature in this cold air mass in the Northern and North Central regions will generally be from 12-15 degrees Celsius, in the mountainous areas of the North 10-12 degrees Celsius, and in the high mountains below 10 degrees Celsius.
