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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 ...
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.
DayYearCountrySubdivisionMay 202013United StatesOklahomaMay 242011United StatesOklahomaMay 222011United StatesMissouriApr 272011United StatesAlabama, GeorgiaThe 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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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.
ScaleWind Estimate *** (mph)Typical DamageF0< 73Light damage. Some damage to chimneys;F173-112Moderate damage. Peels surface off roofs;F2113-157Considerable damage. Roofs torn off frame ...F3158-206Severe damage. Roofs and some walls torn ...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 NumberIntensity PhraseWind SpeedType Of Damage DoneF0Gale tornado40-72 mphSome damage to chimneys; breaks branches ...F1Moderate tornado73-112 mphThe lower limit is the beginning of ...F2Significant tornado113-157 mphConsiderable damage. Roofs torn off frame ...F3Severe tornado158-206 mphRoof and some walls torn off well ...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 ...
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.