According to the National Center for Hydro-Meteorological Forecasting, last night and early this morning (October 30), in Quang Ngai, Da Nang city and Hue city, there was still rain, however, the intensity of rain has decreased compared to previous days. The common rainfall in the past 24 hours in the area from Ha Tinh to Da Nang city and the east of Quang Ngai province (old Quang Ngai) reached 30 - 60mm, locally heavy rain over 80mm.
Mr. Mai Van Khiem - Director of the National Center for Hydro-Meteorological Forecasting, Department of Hydro-Meteorology - said that in the coming days, the cold air will strengthen combined with the tropical convergence zone with an axis maintained through the Central Central region and the easterly wind disturbances will operate in the atmospheric layers above the level of 1,500-5000m.
"Therefore, from October 30 to November 4, the Central provinces will continue to experience widespread heavy rain" - Mr. Khiem said.
According to the representative of the meteorological agency, from October 30 to November 1, heavy rain will be concentrated in the area from Nghe An to the north of Quang Tri province (old Quang Binh province) with total rainfall from 200 - 300mm, locally over 600mm.
"From the night of November 1 to November 4, there may be moderate to heavy rain concentrated in the area from Ha Tinh to Quang Ngai. Current data show no signs of extreme rain as in the period of October 27 - 29. However, the long-term forecasts of the models are not highly reliable, and need to continue to be monitored and updated" - Mr. Khiem emphasized.
Regarding the flood situation, with the decreasing rainfall trend, the main rivers in Hue city, Da Nang city and Quang Ngai such as Huong river, Bo river, Vu Gia - Thu Bon river and Tra Khuc river have all reached their peak and are showing a slow downward trend.
In the next 12 hours, floods on the Vu Gia - Thu Bon river will continue to decrease and remain above alert level 3; floods on rivers in Hue city will continue to decrease and remain below flood warning level 3; on the Tra Khuc river will continue to decrease and remain below alert level 2.
In the next 12 - 24 hours, floods on Thu Bon River will continue to decrease and remain above alert level 3; floods on Vu Gia River will continue to decrease and remain below alert level 3; rivers in Hue City will continue to decrease and remain above alert level 2; floods on Tra Khuc River (Quang Ngai) will continue to decrease and remain above alert level 1.
For rivers in Quang Tri province, in the next 24 hours, Thach Han River (at Thach Han) will be at 5.8m, above alert level 3 by 0.2m; Kien Giang River (at Le Thuy) will be at 2.9m, above alert level 3 by 0.2m; O Lau River (at My Chanh) will be at alert level 2; other rivers will fluctuate around alert level 1 - alert level 2.
Mr. Mai Van Khiem also warned of an upcoming flood on the rivers of the Central region.
Accordingly, from October 30 to November 1, floods and floods appeared on rivers from Nghe An to North Quang Tri in the upper reaches of Ca River (Nghe An), Ngan Sau Ngan Pho River (Ha Tinh), Gianh River, Kien Giang River (Quang Tri) and floods from alert level 2 - alert level 3, some rivers above alert level 3, downstream of Ca River (Nghe An), La (Ha Tinh) above alert level 1.
"From November 2 to 4, floods on rivers from Ha Tinh to Quang Ngai are likely to rise again. According to current forecast data, there is little chance of a particularly large flood like the flood on October 27-29" - Mr. Khiem said.
However, this expert also emphasized that the models' long-term forecasts are not highly reliable, and need to continue to be monitored and updated.
