Environment Canada has officially confirmed an F-3 Tornado struck Goderich on Sunday.
Meterologist Jean Paul Cragg tells Bayshore Broadcasting News, they had two teams investigating the destruction left by the storm...
Cragg says the investigation shows the wind speed reached 280 kilometres an hour when the tornado slammed into Goderich at 3:50 PM on Sunday.
That speed qualifies it as an F-3 tornado and is the first one to reach that level in Ontario since 1996.
Cragg says the tornado touched down for about 20 kilometres from Goderich inland to the east, but most of the severe damage was in the town itself.
Environment Canada investigators look at the damage left by a storm, examine the structure of buildings affected and can then determine roughly what the wind speeds are in a tornado.
The agency notes officially -- a tornado warning was issued 12 minutes before the storm hit on Sunday.
The province has also announced five million dollars in aid to help Goderich rebuild -- and Mayor Deb Shewfelt says they will recover.