As of 8:00 a.m. on November 27, 2025, according to an update from Vietnam Electricity Group, Hoa Binh Lake recorded upstream water levels at elevation of 116.64m; water flow to the lake reached 1,153m3/s; total discharge was 1,146m3/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 27, the upstream water level reached 119.31 m; the water flow to the lake reached 166 m3/s; the total discharge was 375.98 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 10:00 a.m. on November 26, Son La Lake recorded upstream water levels at 215.11 m; water flow to the lake was 1,611 m3/s; total discharge was 1,224 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 294.7m; the water flow to the lake reached 798m3/s; the total discharge was 388m3/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 8:00 a.m. on November 27, the upstream water level reached 57.96 m; the water flow to the lake reached 160 m3/s; the total discharge was 275.14 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.
Weather forecast for today, November 27, cold air continues to affect the Northern and Central regions.
The Northern region has few clouds, no rain at night, fog in some places in the early morning, sunny during the day. The lowest temperature is 10-15 degrees Celsius, in high mountains it is below 9 degrees Celsius.
From Thanh Hoa to Hue, the North will be cloudy, no rain at night, fog in some places in the early morning, sunny during the day; the South will be cloudy, with showers and thunderstorms in some places. The lowest temperature is 13-17 degrees Celsius.
Other areas will have cloudy weather, scattered showers and thunderstorms at night, and sunny days.
According to the latest storm news from the National Center for Hydro-Meteorological Forecasting, today, November 27, storm No. 11 is continuing to move complicatedly in the East Sea.
It is forecasted that by 7pm tonight, the storm will move in a West-Northwest direction, then turn West Southwest at a speed of about 10km/h. The center of the storm is located at about 12.6 degrees North latitude - 113.6 degrees East longitude, in the Central East Sea, about 140km North-Northwest of Song Tu Tay Island.
The storm is likely to strengthen, with winds reaching level 12, gusts of level 15.
