The Fujita scale (F-Scale; / f u ˈ dʒ iː t ə /), or Fujita–Pearson scale (FPP scale), is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human-built structures and vegetation.

Without a thorough engineering analysis of tornado damage in any event, the actual wind speeds needed to cause that damage are unknown. The Enhanced F-scale was implemented in February 2007.

The Enhanced Fujita Scale or EF Scale, which became operational on February 1, 2007, is used to assign a tornado a 'rating' based on estimated wind speeds and related damage.

The Enhanced Fujita scale (abbreviated EF-Scale) is a scale that rates tornado intensity based on the severity of the damage a tornado causes. It is used in the United States and France, among other countries. [1] .

Mar 21, 2025 · The scale we use now is an update from the original Fujita, or F-scale, which tornado scientist Ted Fujita introduced in 1971. But the original scale had some drawbacks. But the original scale had ...

Well-constructed houses leveled; structures with weak foundations blown off some distance; cars thrown and large missiles generated.

University of Chicago meteorologist Ted Fujita devised the Fujita Scale, the internationally accepted standard for measuring tornado severity. His goal was to create categories that could separate weak tornadoes from strong ones.

May 21, 2024 · The Fujita Scale (F-Scale), also known as the Fujita-Pearson Scale, is a scale used for assigning an intensity rating to tornadoes. The rating assigned to a given tornado is based on the amount of damage the tornado causes …

The International Fujita scale (abbreviated as IF-Scale) is a scale that 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 ...

The Fujita Scale is a well known scale that uses damage caused by a tornado and relates the damage to the fastest 1/4-mile wind at the height of a damaged structure. Fujita's scale was designed to connect smoothly the Beaufort Scale (B) with the speed of sound atmospheric scale, or Mach speed (M).