The 1985 United States–Canada tornado outbreak, referred to as the Barrie tornado outbreak in Canada, was a major tornado outbreak that occurred in Ohio...

destructive, two-day tornado outbreak affected the Great Lakes region of the United States and the National Capital Region of Canada in late-September....

Tornadoes are more common in the United States than in any other country or state. The United States receives more than 1,200 tornadoes annually—four...

The 2008 Super Tuesday tornado outbreak was a deadly tornado outbreak which affected the Southern United States and the lower Ohio Valley on February 5...

May 31, 1985, a short-lived, but devastating, violent F4 tornado affected the City of Barrie, Ontario, Canada. The tornado was part of a larger outbreak that...

meteorologist and tornado expert Thomas P. Grazulis created the outbreak intensity score (OIS) as a way to rank tornado outbreaks. For the score, only...

violent tornado outbreak ever recorded, with 30 F4/F5 tornadoes confirmed. From April 3–4, 1974, there were 148 tornadoes confirmed in 13 U.S. states and...

These are some notable tornadoes, tornado outbreaks, and tornado outbreak sequences that have occurred in North America. The listing is U.S.-centric, with...

This page lists tornadoes and tornado outbreaks which have touched down in Canada prior to the 21st century. On average, there are around 80 confirmed...

(May 1985). "Tornado Outbreak in the United States and Canada on May 31, 1985". Storm Data. 27 (5). Asheville, North Carolina: United States Department...