According to Mr. Mai Van Khiem - Director of the National Center for Hydro-Meteorological Forecasting, this afternoon (September 29), storm No. 10 Bualoi has moved to the Upper Laos area and weakened into a tropical depression.
At 1:00 p.m. on September 29, the center of the tropical depression was at about 19.5 degrees north latitude; 103.6 degrees east longitude. The strongest wind near the center of the tropical depression is level 6 - 7 (39 - 61km/h), gusting to level 9. The tropical depression is moving in a West-Northwest direction at a speed of about 25km/h.
"It is forecasted that in the next 12 hours, the tropical depression will continue to move in the West Northwest direction, gradually weakening into a low pressure area and gradually dissipating" - Mr. Khiem said.
However, according to the representative of the meteorological agency, the natural disaster situation after storm No. 10 Bualoi is still very complicated.
"This afternoon and evening (September 29), in the coastal area from Quang Ninh to Thanh Hoa, there will be strong southeast winds of level 6, some places level 7, gusting to level 9-10. The situation of heavy rain in the Northern provinces and Thanh Hoa; strong winds and big waves in the Gulf of Tonkin will continue" - Mr. Khiem warned.
The meteorological agency said this is the final official news about storm No. 10 Bualoi, but people need to pay attention to forecasts of heavy rain and dangerous weather at sea that are continuously updated to grasp bad weather developments.
Due to heavy rain, there is a risk of flooding on the Da rivers, Thao rivers (Lao Cai), Ma rivers, Chu rivers (Thanh Hoa), Song Ca (Nghe An), La rivers, Ngan Sau and Ngan Pho rivers in Ha Tinh; flash floods and landslides in the midland mountainous areas of the North, Thanh Hoa - Ha Tinh.
The National Center for Hydro-Meteorological Forecasting also issued a flood warning for the Da River at 9:15 p.m. on September 29. Accordingly, in the past 12 hours, Son La hydropower plant has been operating to generate electricity with an average discharge flow in the past 12 hours of 845 m3/s and the largest discharge flow of 2212 m3/s (8:00 a.m. on September 29); the flow to Hoa Binh lake tends to increase, the average flow to the lake in the past 12 hours is 3862 m3/s, the largest flow to the lake is 10578 m3/s(11:00 a.m. on September 29), above the warning of 2,578 m3/s.
The flow to the lake at 1:00 p.m. on September 29 to Hoa Binh Lake was 9895 m3/s, below alert level 2 105 m3/s.
In the next 6 hours, the flow to the lake will range from 10.000-10500 m3/s.
In 6 - 12 hours, the flow to Hoa Binh Lake ranges from 8500 - 9800 m3/s.
In the next 12 - 24 hours, the flow to Hoa Binh Lake will range from 6500 8,000 m3/s.
The warning level of natural disaster risk due to floods is level 1. Floods on rivers cause flooding in low-lying areas along rivers, affecting activities such as waterway transportation, aquaculture, agricultural production, people's lives and socio-economic activities.
