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The Fujita scale was adopted in most areas outside of the United Kingdom. [citation needed] On February 1, 2007, the Fujita scale was decommissioned, and the Enhanced Fujita Scale was introduced in the United States. [7] The new scale more accurately matches wind speeds to the severity of damage caused by the tornado. [8]
A unique feature of the International Fujita scale compared to the Fujita or Enhanced Fujita scale is a new damage indicator based on measured wind speeds. For the IF scale , only wind speeds measured at or below 10 metres (11 yd) can be used to determine a rating.
As with the Fujita scale, the Enhanced Fujita scale is a damage scale and only an estimate for actual wind speeds. ... Scale Wind speed estimate [18] Frequency [19 ...
The strength of tornadoes is rated on the Enhanced Fujita, or EF, Scale. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
Here's how tornadoes are rated on the Enhanced Fujita scale and what those ratings mean.
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 Enhanced Fujita scale is used predominantly in North America. Most of Europe, on the other hand, uses the TORRO tornado intensity scale (or T-Scale), which ranks tornado intensity between T0 and T11; F4/EF4 tornadoes are approximately equivalent to T8 to T9 on the T-Scale. Tornadoes rated IF4 on the International Fujita scale are also ...
Fujita is recognized as the discoverer of downbursts and microbursts and also developed the Fujita scale, [6] which differentiates tornado intensity and links tornado damage with wind speed. Fujita's best-known contributions were in tornado research; he was often called "Mr. Tornado" by his associates and by the media. [7]