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The 1974 Super Outbreak was the second-largest tornado outbreak on record for a single 24-hour period, just behind the 2011 Super Outbreak. It was also the most violent tornado outbreak ever recorded, with 30 violent (F4 or F5 rated) tornadoes confirmed.
Tracks of the 1974 Super Outbreak's 147 known tornadoes in the United States and fatalities by county. This is the list of tornadoes confirmed that occurred during the record-breaking 1974 Super Outbreak tornado event that occurred on April 3–4, 1974 across the eastern half of the United States and in Ontario, Canada.
In late 2023, American meteorologist and tornado expert Thomas P. Grazulis created the Outbreak Intensity Score (OIS) as a way to rank tornado outbreaks. [1] [2] For the score, only significant tornadoes are counted: F2/EF2 tornadoes receive 2 points each, F3/EF3 tornadoes receive 5 points each, F4/EF4 tornadoes receive 10 points each, and F5/EF5 tornadoes receive 15 points each. [1]
The Xenia tornado was the deadliest and most powerful of what was later labeled the 1974 Super Outbreak, a series of 148 tornadoes that touched down across 13 states over 24 hours between April 3 ...
This April marks the 50th anniversary when more than 100 tornadoes swept across Midwest within just about 24 hours. Dubbed the 1974 Super Outbreak, severe storms and 148 tornadoes claimed hundreds ...
The super-tornado outbreak of April 3 and 4, 1974, was the worst in U.S. history, with 148 twisters touching down in 13 states. When it had ended 16 hours later, 330 people were dead and 5,484 ...
Paths of the 148 tornadoes generated during the 1974 Super Outbreak. The 1974 Super Outbreak was one of the most destructive tornado outbreaks ever known in United States history. Many notable tornadoes occurred, such as the Xenia, Ohio tornado which was an F5 tornado that killed 34 people and destroyed a large portion of the town. The Xenia ...
The 1974 Xenia tornado was a violent F5 tornado that destroyed a large portion of Xenia and Wilberforce, Ohio, United States on the afternoon of April 3, 1974. It was the deadliest individual tornado of the 1974 Super Outbreak, the 24-hour period between April 3 and April 4, 1974, during which 148 tornadoes touched down in 13 different U.S. states.