List of tornadoes in the 2011 Super Outbreak

During April 25–28, 2011, the local weather forecast offices of the National Weather Service confirmed 367 tornadoes in the United States, and Environment Canada confirmed another in Ontario. These tornadoes were part of a major outbreak of tornadoes, the 2011 Super Outbreak, in which 368 tornadoes touched down across 21 states in the Southern, Midwestern, and Northeastern United States and in Ontario, Canada, making it the largest tornado outbreak on record.

Source: Wikipedia — List of tornadoes in the 2011 Super Outbreak (CC BY-SA 4.0)