High Quality Content by WIKIPEDIA articles! The 1985 Barrie tornado outbreak was a tornado outbreak in the Canadian province of Ontario, one of the largest and most damaging in the province`s history. In total, thirteen separate tornadoes, with two of them rated at F4 on the Fujita Scale, crossed southern Ontario during the late afternoon and early evening hours of May 31, 1985. Twelve people died, 281 were injured, and millions of dollars in damage was done in the province of Ontario alone. One of the tornadoes devastated the city of Barrie, nestled at the far western edge of Kempenfelt Bay, on Lake Simcoe.