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In 2001, tornado expert Thomas P. Grazulis stated in his book F5–F6 Tornadoes; "In my opinion, if there ever was an F6 tornado caught on video, it was the Pampa, Texas tornado of 1995". [14] In 2023, it was announced by the Storm Prediction Center and National Weather Service Norman, Oklahoma that the 1970 Lubbock tornado was originally rated ...
The scale has the same basic design as the original Fujita scale—six intensity categories from zero to five, representing increasing degrees of damage. It was revised to reflect better examinations of tornado damage surveys, in order to align wind speeds more closely with associated storm damage.
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.
Since 1905, NWS has tracked 13 EF5 tornadoes in Oklahoma, including the devastating 2013 Moore tornado. The tornado's 17-mile destructive path on May 20, 2013, left hundreds injured and nearly ...
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This scale helps categorize each tornado by its intensity and its area, and can estimate the wind speeds associated with the damage caused by the tornado. The EF scale are divided into six categories:
Violent tornadoes are extremely rare outside of the United States and Canada. F5 and EF5 tornadoes are rare. In the United States, they typically only occur once every few years, [14] and account for approximately 0.1 percent of confirmed tornadoes. [15] An F5 tornado was reported in Elie, Manitoba, in Canada, on June 22, 2007. [16]
The International Fujita scale (abbreviated as IF-Scale) rates the intensity of tornadoes and other wind events based on the severity of the damage they cause. [1] It is used by the European Severe Storms Laboratory (ESSL) and various other organizations including Deutscher Wetterdienst (DWD) and State Meteorological Agency (AEMET).