As of 7:00 a.m. on November 19, 2025, according to an update from Vietnam Electricity Group, Hoa Binh Lake recorded upstream water levels at elevation of 116.8m; water flow to the lake reached 40m3/s; total discharge was 651m3/s.
Implementing the inter-reservoir operation process in the Red River basin, Hoa Binh Hydropower Plant closed 1 bottom spillway gate at 9:00 a.m. on November 12, 2025. After closing the bottom spillway, the water level in the downstream area of the hydropower dam decreased rapidly.
At Tuyen Quang Lake, by 7:00 a.m. on November 19, the upstream water level reached 119.43 m; the water flow to the lake reached 378 m3/s; the total discharge was 374.73 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 19, Son La Lake recorded upstream water levels at 215.91 m; water flow to the lake was 812 m3/s; total discharge was 1,434 m3/s. Currently, the unit has closed all bottom spillways, only maintaining power generation through generators to regulate the flow downstream.
Similar situation occurred at Lai Chau Lake, as of 7:00 a.m. on November 19, the upstream water level reached 295 m; the water flow to the lake reached 746 m3/s; the total discharge was 745 m3/s. Currently, Lai Chau Hydropower Plant has closed all bottom spillways, only maintaining power generation through generators.
As of 7:00 a.m. on November 19, Thac Ba Lake recorded upstream water levels at 58.09 m; water flow to the lake reached 318 m3/s; total discharge of 49.69 m3/s. Currently, Thac Ba Hydropower Plant has also closed all bottom spillways and spillways, only operating power generation through generators.
Up to this point, all 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 19, cold air continues to affect the Northern and North Central regions.
The Northern region will have cloudy skies, with rain and showers at night; and some rain during the day. Cold weather, some places are very cold; mountainous and midland areas are very cold, high mountainous areas have some places are very cold. The lowest temperature ranges from 12-15 degrees Celsius, the high mountains of the Northeast are cold in some places below 5 degrees Celsius.
The Hanoi area is cloudy, with rain and showers at night and in the morning, then showers in some places, cold weather. The lowest temperature is from 13-15 degrees Celsius.
The area from Thanh Hoa to Hue will have cloudy skies; the North (Thanh Hoa - Nghe An) will have rain, showers at night, and some rain during the day; the South will have moderate rain, heavy rain, locally very heavy rain and thunderstorms. North to northwest wind level 3-4, coastal areas level 4-5. Cold in the North, cold at night and in the South.
Other areas will have cloudy weather, rain, moderate rain and scattered thunderstorms, with some places having heavy rain.
