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Tornado damage in Lorain, Ohio The Xenia, Ohio tornado from the 1974 Super Outbreak. This tornado was rated by Ted Fujita himself as an F6 , but it was retroactively downgraded to F5 [ 1 ] Tornadoes in the state of Ohio are relatively uncommon, with roughly 16 tornadoes touching down every year since 1804, the year with the first recorded event ...
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List of tornadoes in the 1965 Palm Sunday tornado outbreak; Tornado outbreak of April 21–24, 1968; Tornado outbreak of May 1968; Tornado outbreak sequence of June 10–16, 1970; Tornado outbreak of February 21–22, 1971; 1974 Cincinnati tornado; List of tornadoes in the 1974 Super Outbreak; 1974 Super Outbreak; Tornado outbreak of April 1 ...
List of United States tornado outbreaks – 1910–1919 Outbreak Dates Region Tornadoes Casualties Notes Tornado outbreak of November 11, 1911: November 11, 1911: Midwestern United States: ≥9: 13 fatalities, 117 injuries: Outbreak was produced by a large and dynamic storm system. F4 struck Janesville, Wisconsin, and killed nine people.
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]
Number of tornadoes in United States by year and intensity. United States tornadoes by year [1] [2] Year Number of tornadoes FU/EFU F0/EF0 F1/EF1 F2/EF2 F3/EF3
The 2011 Super Outbreak was the largest tornado outbreak spawned by a single weather system in recorded history; it produced 367 tornadoes from April 25–28, with 223 of those in a single 24-hour period on April 27 from midnight to midnight CDT, [4] [11] fifteen of which were violent EF4–EF5 tornadoes. 348 deaths occurred in that outbreak, of which 324 were tornado related.
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 ...