About: List of F5 and EF5 tornadoes

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This is a list of tornadoes which have been officially or unofficially labeled as F5, EF5, T10-T11, IF5, or an equivalent rating, the highest possible ratings on the various tornado intensity scales. These scales – the Fujita scale, the Enhanced Fujita scale, the International Fujita scale, and the TORRO tornado intensity scale – attempt to estimate the intensity of a tornado by classifying the damage caused to natural features and man-made structures in the tornado's path.

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  • This is a list of tornadoes which have been officially or unofficially labeled as F5, EF5, T10-T11, IF5, or an equivalent rating, the highest possible ratings on the various tornado intensity scales. These scales – the Fujita scale, the Enhanced Fujita scale, the International Fujita scale, and the TORRO tornado intensity scale – attempt to estimate the intensity of a tornado by classifying the damage caused to natural features and man-made structures in the tornado's path. Tornadoes are among the most violent known meteorological phenomena. Each year, more than 2,000 tornadoes are recorded worldwide, with the vast majority occurring in North America and Europe. In order to assess the intensity of these events, meteorologist Ted Fujita devised a method to estimate maximum wind speeds within tornadic storms based on the damage caused; this became known as the Fujita scale. The scale ranks tornadoes from F0 to F5, with F0 being the least intense and F5 being the most intense. F5 tornadoes were estimated to have had maximum winds between 261 mph (420 km/h) and 318 mph (512 km/h). Following two particularly devastating tornadoes in 1997 and 1999, engineers questioned the reliability of the Fujita scale. Ultimately, a new scale was devised that took into account 28 different damage indicators; this became known as the Enhanced Fujita scale. With building design and structural integrity taken more into account, winds in an EF5 tornado were estimated to be in excess of 200 mph (320 km/h). The Enhanced Fujita scale is used predominantly in North America. Most of Europe, on the other hand, uses the TORRO tornado intensity scale (or T-Scale), which ranks tornado intensity between T0 and T11; F5/EF5 tornadoes are approximately equivalent to T10 to T11 on the T-Scale. In the United States, between 1950 and January 31, 2007, a total of 50 tornadoes were officially rated F5, and since February 1, 2007, a total of nine tornadoes have been officially rated EF5. Since 1950, Canada has had one tornado officially rated an F5. Outside the United States and Canada, six tornadoes have been officially rated F5/EF5/T10+ or equivalent: two each in France, Germany, and one in Italy and Argentina. Several other tornadoes have also been documented as possibly attaining this status, though they are not officially rated as such. The work of tornado expert Thomas P. Grazulis revealed the existence of several dozen likely F5 tornadoes between 1880 and 1995. Grazulis also called into question the ratings of several tornadoes currently rated F5 by official sources. Many tornadoes officially rated F4/EF4 or equivalent have been disputed and described as actual F5/EF5/T10+ or equivalent tornadoes, and vice versa; since structures are completely destroyed in both cases, distinguishing between an EF4 tornado and an EF5 tornado is often very difficult. Additionally, because tornado ratings are damage-based, many tornadoes capable of causing F5/EF5/T10+ damage, such as those that move through rural areas, may receive lower ratings because their strongest winds do not strike any suitable damage indicators. (en)
  • Questa è una lista dei tornado registrati di categoria 5 della scala Fujita. (it)
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  • EF5 Tornadoes in the United States 1950-2019.map (en)
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  • Detailed map (en)
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  • Questa è una lista dei tornado registrati di categoria 5 della scala Fujita. (it)
  • This is a list of tornadoes which have been officially or unofficially labeled as F5, EF5, T10-T11, IF5, or an equivalent rating, the highest possible ratings on the various tornado intensity scales. These scales – the Fujita scale, the Enhanced Fujita scale, the International Fujita scale, and the TORRO tornado intensity scale – attempt to estimate the intensity of a tornado by classifying the damage caused to natural features and man-made structures in the tornado's path. (en)
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  • Tornado di classe F5 (it)
  • List of F5 and EF5 tornadoes (en)
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