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  1. The Enhanced Fujita Scale (EF Scale) - National Weather Service

    The Enhanced Fujita Scale (EF Scale) 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 …

  2. Enhanced Fujita scale - Wikipedia

    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, Brazil and France, among …

  3. The EF Scale — Tornado Intensity Ratings Explained (EF0–EF5)

    From EF0 to EF5 — learn what each tornado rating means, how they're assigned after a tornado, and what kind of damage each level causes.

  4. Storm Prediction Center Enhanced Fujita Scale (EF Scale)

    The Fujita Scale 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 …

  5. The Fujita Scale, explained - University of Chicago News

    The F Scale also met a need to rate both historical and future tornadoes according to the same standards. The version used today—the Enhanced Fujita Scale—ranges from EF0 tornadoes with …

  6. Tornadoes and the Enhanced Fujita Scale - Education

    Tornadoes are violently spinning funnels of air that can cause massive destruction. They are categorized according to the Enhanced Fujita Scale.

  7. Tornado Scale - The Enhanced Fujita Scale | TornadoFacts.net

    The Fujita scale (F-Scale), also known as the Fujita-Pearson scale, is a tornado scale that was introduced in 1971 by Tetsuya Fujita. In the United States the Fujita scale was replaced with the …

  8. Enhanced Fujita Scale | National Wind Institute | TTU

    Oct 10, 2006 · Enhanced Fujita Scale Dr. Ted Fujita (1971) developed the Fujita Scale to provide a method to rate the intensity of tornadoes. The intent of the scale was to distinguish between weak …

  9. Enhanced Fujita Scale of Tornado Intensity

    The Enhanced Fujita Scale (EF-Scale) is a system for classifying tornado intensity based on damage to structures and vegetation. It is a modified version of the original Fujita Scale (F-Scale) developed by …

  10. The Enhanced Fujita Scale: A Tornado Rating System

    Mar 12, 2025 · The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.