Exceptionally large flood on Vu Gia - Thu Bon river, may exceed flood peak of 2007

(Chinhphu.vn) - On the afternoon of October 27, the Central Region Hydrometeorological Station issued an emergency flood warning (exceptionally large flood) on the Vu Gia-Thu Bon River.

Armed forces of Military Region 5 support people to cope with floods in Hoi An

According to the Central Hydrometeorological Station, the water level on rivers in Da Nang City is currently rising rapidly. The water level at 1 p.m. on October 27 on the Vu Gia River at Hoi Khach and Ai Nghia exceeded the alarm level 3.

Thu Bon River at Nong Son, Giao Thuy, Cau Lau and Hoi An are all above level 3. Han River at Cam Le is at level 1; Tam Ky River at Tam Ky is below level 1.

Forecast in the next 6 to 12 hours, flood on Vu Gia - Thu Bon river will rise above level 3, flood peak on Vu Gia river at Ai Nghia is 10.3 m on level 3: 1.30 m ( lower than the exceptionally large flood in 2007: 0.06 m, higher than 2017: 0.19 m ), at Cam Le is 2.8 m on level 3: 0.3 m.

On Thu Bon River at Giao Thuy 10.0 m, on BĐ3: 1.2 m ( higher than the 2007 special flood: 0.4 m, higher than 2017: 0.5 m ), at Cau Lau 5.1 m on BĐ3: 1.1 m ( lower than the 2007 special flood: 0.29 m, equivalent to 2017 ), at Hoi An 3.0 m on BĐ3: 1.0 m ( higher than 2017: 0.17 m ), Tam Ky River is approximately at BĐ1 level.

From 12 to 24 hours, flood in the downstream of Vu Gia - Thu Bon will peak and be above level 3; Tam Ky river will be at level 1-2.

The rising water level on the Vu Gia - Thu Bon river system will cause widespread deep flooding in low-lying areas along the river, and inundation in urban areas. Especially the communes: Que Phuoc, Nong Son, Duy Xuyen, Thu Bon, Xuan Phu, Thanh My, Thuong Duc, Ha Nha, Phu Thuan, Vu Gia, Dai Loc, Go Noi, Dien Ban Tay, Dien Ban Bac, Hoa Tien, Hoi An, Hoi An Tay, Hoi An Dong, Nam Phuoc, Duy Nghia, An Thang...

There is a very high risk of flash floods and landslides on steep slopes in mountainous areas of Da Nang City.

Heavy rains and floods in recent days have caused flooding in many areas of Da Nang city.

Warning of risk of heavy rain >200 mm/3 hours in mountainous areas

According to the Central Hydrometeorological Station, from noon on October 26 to noon on October 27, in the communes and wards of Da Nang city, there will be moderate rain, heavy rain to very heavy rain. The total amount from 7:00 p.m. on October 26 to 12:00 p.m. on October 27 in the plains is generally 50-100 mm, higher in some places; in the mountainous areas, it is generally 150-250 mm, over 300 mm in some places such as Nong Son 377.4 mm, Ba Na 367.0 mm.

It is forecasted that from this afternoon (October 27) to the afternoon of October 29, in communes and wards in Da Nang city, there will be moderate rain, heavy rain, very heavy rain and thunderstorms. Total rainfall in wards and communes in the plains is generally 200-350 mm, in some places over 450 mm; in mountainous communes and wards, it is generally 250-500 mm, in some places over 750 mm. Warning of the risk of heavy rain >200 mm/3 hours in mountainous areas.

Mr. Truong Xuan Ty, Deputy Director of the Department of Agriculture and Environment of Da Nang City, said that currently, the water level on the Vu Gia - Thu Bon River is rising rapidly, exceeding BĐ3. The soil moisture model shows that some areas are nearly saturated over 95%, with the risk of flash floods on small rivers and streams in mountainous areas; landslides on steep slopes, and land subsidence. The forecast of rain and flood situation will be very complicated in the coming days.

Many landslides occurred in the mountainous areas of Da Nang city due to floods.

Strengthening people evacuation activities to ensure safety

Faced with the complicated developments of floods, on October 27, the People's Committee of Da Nang City issued Document No. 3261/UBND-PTDS on focusing on responding to and overcoming the consequences of floods and landslides.

Accordingly, the Chairman of the City People's Committee requested armed forces units, departments, branches, sectors, People's Committees of communes, wards, special zones and related units to organize on-duty shifts, closely monitor forecasts, warnings of natural disasters, rain and flood situations, promptly inform people about natural disasters to proactively respond; deploy plans to prevent and combat natural disasters; continue to implement and ensure the contents according to the direction of the Chairman of the City People's Committee in the previous telegram.

Chairmen of People's Committees of communes, wards and special zones continue to maintain and deploy activities to respond to heavy rains, floods, flash floods and landslides. Proactively inspect and review unsafe areas, especially deeply flooded and isolated areas, low-lying areas along rivers and streams, and areas at risk of flash floods and landslides. Proactively arrange forces to guard and block off, strictly prohibit people and vehicles from traveling on deeply flooded roads, fast-flowing, submerged and overflowing roads, on rivers, streams, reservoirs, and areas at high risk of landslides and flash floods.

Continue to maintain and strengthen people's evacuation activities to ensure safety, especially in dangerous areas, ensure food for people in flooded and landslide-affected areas and at evacuation sites, and prevent people from going hungry, suffering from cold and rain...

The Phong

Source: https://baochinhphu.vn/lu-dac-biet-lon-tren-song-vu-gia-thu-bon-co-the-vuot-dinh-lu-nam-2007-102251027171004031.htm