Ted Fujita’s original map of the 1974 Super Outbreak with all tornadoes labelled. (Photo: http://www.april31974.com/)
The 'Super Outbreak' was the largest 24-hour tornado outbreak in history.
Between April 3rd and 4th, 1974, there were 148 confirmed tornadoes in 13 states.
Hundreds of communities were hit.
Among the very worst, was Xenia, Ohio, where more than 30 people were killed, and over 1,000 people were injured.
In Canada, an F3 tornado struck Windsor, Ontario, killing nine people.
In total, there were more than 330 deaths, and more than 5,000 injuries.
For more information on the catastrophic tornado outbreak, visit april31974.com