Victims were reported in Ninh Binh and Thanh Hoa provinces, as well as cities such as Hue and Da Nang in central Vietnam.
Four people died in a nearby commune after a tornado torn the roof from the house early Monday morning, followed by four people killed in a nearby commune, according to state media.
One died after being wiped out by a flood of hue. Nguyen Ngoc Hung, a 60-year-old employee from Central Tan Hoa Province, was also killed by falling trees, supporting efforts to mitigate the storm.
The level of rainfall is above 350 mm in the central province of Nghe an and ha tinh, and many areas suffer from electrical outages amid damage to the electric poles.
The Dyke Management and Disaster Prevention and Control department confirmed that 17 fishermen were missing.
After killing more than 25 people in the Philippines, Broy has struck a province in central Vietnam, causing floods, landslides and airport closures.
rhm/