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

    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.

  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 …

  3. In 1971, Dr. T. Theodore Fujita of the University of Chicago devised a six-category scale to classify U.S. tornadoes into six damage categories, called F0-F5. F0 describes the weakest …

  4. Enhanced Fujita Scale of Tornado Intensity - Encyclopedia Britannica

    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 …

  5. The Enhanced Fujita Scale is a more precise way to assess the damage from a tornado. It classifies tornado damage (EF0-EF5) as calibrated by those from the meteorological and …

  6. 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 …

  7. 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.

  8. Tornadoes and the Enhanced Fujita Scale - Education

    After a tornado has passed, experts assess the damage, estimate wind speeds, and categorize tornadoes according to the Enhanced Fujita Scale, with ratings from EF-0 to EF-5.

  9. Rating Tornadoes: The Enhanced Fujita Scale Explained

    May 8, 2025 · The authoritative standard for measuring the severity of a tornado is the Enhanced Fujita Scale. It was developed in the early 1970s by University of Chicago meteorologist Dr. …

  10. Fujita scale - Wikipedia

    Fujita scale ... The Fujita scale (F-Scale; / fuˈdʒiːtə /), or Fujita–Pearson scale (FPP scale), is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human …