The Northern Tornadoes Project has confirmed an EF0 tornado near the town of Thornbury during last Friday's severe weather outbreak.
According to the survey team, the tornado followed a path through the town before entering Georgian Bay.
It carried maximum wind speeds of 130 km/h and the length of its path spanned approximately three kilometres.
Tree damage and damage to a power pole and street lamp have been reported.
Environment Canada and the Northern Tornadoes Project has verified 40 tornadoes in Ontario this year.
