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The Enhanced Fujita scale replaced the decommissioned Fujita scale that was introduced in 1971 by Ted Fujita. [6] Operational use began in the United States on February 1, 2007, followed by Canada on April 1, 2013, who uses a modified version known as the CEF-scale.
The EF-scale is more specific in detailing the degrees of damage on different types of structures for a given wind speed. While the F-scale goes from F0 to F12 in theory, the EF-scale is capped at EF5, which is defined as "winds ≥200 miles per hour (320 km/h)". [9] In the United States, the Enhanced Fujita scale went into effect on February 2 ...
In the United States, on February 1, 2007, [1] the Fujita scale was decommissioned in favor of what scientists believe is a more accurate Enhanced Fujita Scale. The meteorologists and engineers who designed the EF Scale believe it improves on the F-scale on many counts.
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 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 ...
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 ...
From May 4–6, 2007, a major and damaging tornado outbreak significantly affected portions of the Central United States.The most destructive tornado in the outbreak occurred on the evening of May 4 in western Kansas, where about 95% of the city of Greensburg in Kiowa County was destroyed by an EF5 tornado, the first of the new Enhanced Fujita Scale and such intensity since the 1999 Bridge ...