According to the 3:30 a.m. bulletin on November 1 from the Central Hydrometeorological Station (Department of Hydrometeorology), in the past 24 hours, Da Nang city has had rain, moderate rain, and heavy rain in some places. The total rainfall from 1:00 a.m. on October 31 to 1:00 a.m. on November 1 is generally 15 - 50mm, with some places over 70mm.
Forecast (in the next 24 to 48 hours), from early this morning (November 1) to early morning November 3, in communes and wards in the plains, midlands and mountainous areas south of Da Nang, there will be heavy rain, very heavy rain and thunderstorms with common rainfall of 150 - 350mm, some places over 450mm. In communes and wards in the mountainous areas north of Da Nang, there will be moderate rain, some places heavy rain, very heavy rain and thunderstorms with common rainfall of 100 - 250mm, some places over 300mm, during thunderstorms, beware of lightning, hail and strong gusts of wind, heavy rain with intensity over 120mm/3 hours.
In order to proactively prevent floods and storms and regulate water for disaster response, on October 31, the Da Nang City Civil Defense Command issued an official dispatch requesting hydropower management units to adjust the inter-reservoir operation process according to regulations.
Accordingly, Dak Mi Hydropower Joint Stock Company, Song Bung Hydropower Company, A Vuong Hydropower Joint Stock Company organize the operation of lowering the water level of Song Bung 2, Song Bung 4 and A Vuong, Dak Mi 4 hydropower reservoirs to the lowest water level of flood reserves before 22:00, November 3, 2025. The start time of operation is from 09:00, November 1, 2025. Switching the operating mode according to the provisions of Procedure 1865.
Song Tranh Hydropower Company organizes the operation of lowering the water level of Song Tranh 2 Hydropower Reservoir to the highest water level of flood reserves before 22:00, November 3, 2025. The operation start time is from 09:00, November 1, 2025. Switching the operation mode according to the regulations of Procedure 1865 (Procedure for operating inter-reservoirs on the Vu Gia - Thu Bon river basin).
The organization of operation must ensure the operating principles, avoiding sudden changes according to regulations. Organize the implementation of information and notification to the authorities and people in the downstream area about the operation and regulation of the reservoir. Regularly provide flood forecast bulletins on the reservoir and actual rainfall measured in the reservoir basin to the City Civil Defense Command, the Department of Agriculture and Environment, the Department of Industry and Trade and related units and localities to serve the monitoring and consulting work.
The People's Committees of communes and wards in the downstream areas continue to notify people, organizations operating on the river, along the river, production and business establishments on the river, firewood collection and fishing vessels on the river, and areas with deep and raging floods when regulating hydroelectric reservoirs to proactively prevent damage.
Coastal works, ferry terminals, spillways, production and business activities, sand and gravel exploitation information on hydropower reservoir regulation to proactively take preventive measures to ensure safety of people and property. Review flood prevention plans to ensure safety for downstream areas, riverbank landslide areas to be ready to respond. Propagate, guide and disseminate flood prevention to people and relevant agencies and units to proactively respond; strictly prohibit collecting firewood, fishing on rivers, in deep flooded areas, and raging fires when regulating hydropower reservoirs. The operation of lowering the water level of reservoirs is to create flood prevention capacity, ready to respond to complicated weather developments during the rainy and stormy season in the area.
Source: https://baotintuc.vn/kinh-te/yeu-cau-cac-thuy-dien-tren-luu-vuc-song-vu-gia-thu-bon-dieu-tiet-de-phong-chong-lut-bao-20251101090501301.htm
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