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The floods of the National Meteorological and Hydrological Forecasting Center on the Ngan Sau (Ha Tinh) River, the rivers from Quang Binh to Thua Thien Hue and the central highlands are increasing.
Long-lasting heavy rains in central Vietnam
Currently, Quang Binh to Thua Thien Hue provinces have particularly heavy rains with rains from 7:00 PM on October 16 to 1:00 PM on October 17, popular 150-350mm, with larger locations such as: Minh Hoa (Quang Binh) 452 mm, Truong Son (Quang Binh) 450 mm, Huong Linh (Quang Tri) 667.8 mm, Khe Sanh (Quang Tri) 502 mm, … Other places in the central region have moderate rain, heavy rain with popular rains of 40 to 90 mm.
Forecast, due to the influence of cold air combined with tropical convergence with the axis passing through the Central Central region, from now until October 21, there will be heavy to very heavy rains in the Central region, especially Ha Tinh, Quang. Binh and Quang Tri are capable of exceptionally heavy rain.
Total rainfall from October 17 to 21 in Ha Tinh, Quang Binh and Quang Tri is commonly 400-600 mm, in some places over 700 mm; In Nghe An, Thua Thien Hue, the popular is 200-350mm, in some places more than 400mm; in Da Nang, Quang Nam, the popular is 150-250mm, some places are more than 300mm; Popular 80-150mm from Quang Ngai to Phu Yen, some places exceed 150mm.
Tonight and tomorrow (October 18) in the north central highlands there are moderate rains, heavy rains, some places with very heavy rains with a total rainfall of 70-120mm, some places more than 150mm.
The National Center for Meteorological and Hydrological Forecasting warned that after October 21 there is the possibility of intense and prolonged rains in the Central and South Central provinces.
River flooding is increasing
Regarding the hydrological situation, the National Center for Meteorological and Hydrological Forecasts flooding the Ngan Sau (Ha Tinh) River, the rivers from Quang Binh to Thua Thien Hue and the Central Highlands are rising. There are fluctuations in the Quang Nam and Quang Ngai rivers.
The water level at 13:00 on October 17 in some rivers was at a high level, such as in the Kien Giang River in Lijui, it was 2.91 m, above alarm 3 0.21 m; on the Thach Han river in Thach Han is 6.93 m, above alarm 3 is 0.93 m.
It is forecast that in the next 6-12 hours, the floods in the Ngan Sau River, the rivers in Nghe An, from Quang Binh to Thua Thien Hue will continue to increase; The rivers in Quang Nam have risen again. The rivers in Quang Ngai and Central Highlands fluctuate.
The National Center for Meteorological and Hydrological Forecasting also said that until tonight (October 17), the water level in the rivers fluctuated as high as in the Gianh River in Mai Hoa at 6.0 m, below alarm 3 0.5m; on the Kien Giang River in Le Thuy at 3.4 m, at alarm 3 0.7 m; On the Thach Han River in Thach Han at 7.3 m, 1.3 m above the alarm; In the Bo River in Phu Oc, it fluctuates at 4.8 m, above an alarm of 3.3 m (with the expected discharge from Huong Dien Lake 2000m3 / s).
The National Center for Meteorological and Hydrological Forecasts warns of a high risk of flash floods and landslides in the mountainous areas of the provinces from Ha Tinh to Quang Nam and the Central Highlands region. The risk of flooding in the low-lying areas is low, in the urban areas of Ha Tinh to Quang Nam provinces, especially in the districts of Huong Son, Huong Khe, Vu Quang, Duc Tho (Ha Tinh); Minh Hoa, Tuyen Hoa, Le Thuy (Quang Binh); Huong Hoa, Dakrong, Cam Lo (Quang Tri); Nam Dong, Huong Thuy, Huong Tra, Phong Dien (Thua Thien Hue).
In addition, there is a high risk of insecurity in small irrigation reservoirs and critical small hydroelectric plants.
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