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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". [13] In 2023, it was announced by the Storm Prediction Center and National Weather Service Norman, Oklahoma that the 1970 Lubbock tornado was originally rated ...
The Enhanced Fujita scale (abbreviated as EF-Scale) rates tornado intensity based on the severity of the damage they cause. It is used in some countries, including the United States and France. [ 1 ] The EF scale is also unofficially used in other countries, including China.
The Fujita scale, Enhanced Fujita scale, and the International Fujita scale rate tornadoes by the damage caused. [1] [2] In contrast to other major storms such as hurricanes and typhoons, such classifications are only assigned retroactively. Wind speed alone is not enough to determine the intensity of a tornado. [3]
What is the Enhanced Fujita scale? According to the National Weather Service , the EF scale assigns a tornado a rating based on highest wind speeds occurring within the damage path. It's been used ...
The Enhanced Fujita scale measures a tornado's intensity on a scale of 1 to 5 based on its wind speed estimates and resulting damages.
The original scale is named after Dr. Ted Fujita, who developed the system to help provide a wind estimate for the amount and type of damage that a tornado can produce. In 2007, the Enhanced ...
When Fujita proposed his eponymous scale for rating tornado damage in 1971, he rated the most severe damage from Lubbock as F5, the highest practical rating on the scale. [27] John A. Shanahan of Stone & Webster analyzed several instances of severe damage produced by the tornado, finding that horizontal winds may have ranged between 150–250 ...
The strength of tornadoes is rated on the Enhanced Fujita, or EF, Scale.