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  1. Apr 10, 2020 · The Top Five Deadliest F/EF5 Tornadoes. 1. The Tri-State Tornado of March 25, 1925. The "single" deadliest tornado in U.S. history was the famous Tri-State Tornado of March 25, 1925. At least 695 ...

  2. 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. 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.

    Day
    Year
    Country
    Sub­division
    May 20
    2013
    United States
    Oklahoma
    May 24
    2011
    United States
    Oklahoma
    May 22
    2011
    United States
    Missouri
    Apr 27
    2011
    United States
    Alabama, Georgia
  3. en.wikipedia.org › wiki › Fujita_scaleFujita scale - Wikipedia

    The 1977 Birmingham–Smithfield F5 tornado's damage was surveyed by Ted Fujita and he “toyed with the idea of rating the Smithfield tornado an F6.” 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".

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  5. 73-112. Moderate damage. Peels surface off roofs; mobile homes pushed off foundations or overturned; moving autos blown off roads. F2. 113-157. Considerable damage. Roofs torn off frame houses; mobile homes demolished; boxcars overturned; large trees snapped or uprooted; light-object missiles generated; cars lifted off ground. F3.

    Scale
    Wind Estimate *** (mph)
    Typical Damage
    F0
    < 73
    Light damage. Some damage to chimneys;
    F1
    73-112
    Moderate damage. Peels surface off roofs;
    F2
    113-157
    Considerable damage. Roofs torn off frame ...
    F3
    158-206
    Severe damage. Roofs and some walls torn ...
  6. Some damage to chimneys; breaks branches off trees; pushes over shallow-rooted trees; damages sign boards. F1. Moderate tornado. 73-112 mph. The lower limit is the beginning of hurricane wind speed; peels surface off roofs; mobile homes pushed off foundations or overturned; moving autos pushed off the roads; attached garages may be destroyed. F2.

    F-scale Number
    Intensity Phrase
    Wind Speed
    Type Of Damage Done
    F0
    Gale tornado
    40-72 mph
    Some damage to chimneys; breaks branches ...
    F1
    Moderate tornado
    73-112 mph
    The lower limit is the beginning of ...
    F2
    Significant tornado
    113-157 mph
    Considerable damage. Roofs torn off frame ...
    F3
    Severe tornado
    158-206 mph
    Roof and some walls torn off well ...
  7. 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 winds of 65 to 85 miles an hour, to EF5 tornadoes with winds exceeding 200 miles an hour. The U.S. National Weather Service has rated tornadoes according to ...

  8. Dec 11, 2021 · The most EF5/F5 tornadoes in a single year were in 1974 when the April 3 super outbreak spawned seven in a 24-hour period. 2011 had the second-most EF5/F5 tornadoes of any year with six.

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