According to data from Vietnam Electricity Group, at 10:45 am on March 20, in the Northeast region, Tuyen Quang reservoir reached 114.79m, about 5.2m lower than the normal water level. Inflow to the reservoir reached 50 m3/s, total discharge flow 121.26 m3/s.
In the Northwest region, many large reservoirs continue to operate for power generation with high discharge flow.
Son La Lake reached 214.23m, only less than 1m below the normal water level, total discharge up to 963 m3/s.
Hoa Binh Lake is at 115.39m, discharging 416 m3/s. Lai Chau Lake is close to reaching the normal water level but has not generated discharge.
Ban Chat and Huoi Quang reservoirs maintained discharge of 242 m3/s and 264 m3/s respectively. Notably, Thac Ba reservoir discharged 462.72 m3/s, much higher than the water flow to the reservoir.
In the North Central region, Trung Son, Ban Ve, and Khe Bo reservoirs operate stably, with total discharge fluctuating from 84–152 m3/s; Quang Tri reservoir has not yet discharged water.
In the South Central Coast, most reservoirs have low inflow, with little discharge occurring. Song Tranh 2 and Song Ba Ha maintain discharge of 174.9 m3/s and 120 m3/s respectively.
In the Central Highlands, many reservoirs on the Se San and Srepok river systems operate with high flow rates such as Ialy discharging 280 m3/s, Se San 3 discharging 357 m3/s, Se San 4 discharging 320 m3/s.
In the Southeast region, Tri An reservoir maintains a water level of 61.37m, with a total discharge of 146 m3/s.
According to the National Center for Hydro-Meteorological Forecasting, the weather forecast for March 20th, the Northern region will have light rain in some places at night, early morning fog and light fog scattered; sunny skies with reduced clouds in the afternoon.
The Southern region has showers and thunderstorms in some places at night; sunny during the day, especially the East has hot sunny places.
