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The Xenia, Ohio, F5 tornado of April 3, 1974.This was one of two tornadoes to receive a preliminary rating of F6, which was downgraded later to a rating of F5. [1]This is a list of tornadoes which have been officially or unofficially labeled as F5, EF5, IF5, T10-T11, the highest possible ratings on the various tornado intensity scales.
The states with the highest number of F5 and EF5 rated tornadoes since data was available in 1950 are Alabama and Oklahoma, each with seven tornadoes. Iowa, Kansas, and Texas each are tied for second-most with six. [28] The state with the highest number of F5 and EF5 tornadoes per square mile, however, was Iowa. [40]
The most notable of these was the F5 Bridge Creek–Moore tornado which devastated Oklahoma City and suburban communities. The tornado killed 36 people and injured 583 others; losses amounted to $1 billion, making it the first billion-dollar tornado in history.
This outbreak sequence produced what may have been one of the most intense F5 tornadoes in US history that killed 10 people in Fargo, North Dakota. An additional fatality occurred in South Dakota from an F2 tornado. (7 significant, 1 violent, 2 killer) Tornado outbreak of November 7–8, 1957: November 7–8, 1957: Southeastern United States: 20
It was one of only a few outbreaks to have produced more than one F5 tornado. The first F5 tornado struck Charles City and Elma, Iowa, killing 13 people and damaging or destroying nearly 924 homes with a damage cost of $30 million. The second F5 tornado, also in Iowa, stuck Oelwein and Maynard, killing 5 people. Homes were leveled and swept ...
1974 was exceptionally above average with a record number of seven F5 tornadoes in one year. 366 deaths occurred and almost 7,000 injuries occurred. The worst tornado outbreak of the record-breaking year was the Super Outbreak , which spawned all seven F5 tornadoes.
The most significant tornado outbreak in recent history over the east-central United States occurred on June 2. This severe weather event spawned a total of 50 tornadoes from New York to South Carolina and caused an estimated $42 million in damage, 80 injuries and two fatalities.
1990 saw some unusual and powerful tornadoes and tornado outbreaks. On March 13 not one, but two F5 tornadoes struck Kansas, both coming from the same supercell.This was the only day since the 1974 Super Outbreak to have more than one F5 on the same day until the 2011 Super Outbreak, when four EF5 tornadoes touched down on April 27.