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Fujita rated tornadoes from 1916 to 1992 [4] [5] and Tom Grazulis of The Tornado Project retroactively rated all known significant tornadoes (F2–F5 or causing a fatality) in the U.S. back to 1880. [6] The Fujita scale was adopted in most areas outside of the United Kingdom. [citation needed]
None of the tornadoes in the United States recorded before February 1, 2007, were re-categorized during and after the transition to the EF Scale. Essentially, there is no functional difference in how tornadoes are rated. The old ratings and new ratings are smoothly connected with a linear formula.
Here are 10 different types of tornadoes that have been documented across North America. The smallest type of tornado can be short-lived, lasting just a few minutes, but that is not always the case.
Despite their relative rarity, the damage caused by EF5 tornadoes represents a disproportionate hazard to life and limb; since 1950 in the United States, only 59 tornadoes (0.1% of all reports) have been designated F5 or EF5, and yet these have been responsible for more than 1300 deaths and 14,000 injuries (21.5 and 13.6%, respectively).
Here's how tornadoes are rated on the Enhanced Fujita scale and what those ratings mean.
Tornadoes of 1916. Tornado outbreak of June 5–6, 1916; Tornadoes of 1917. March 1917 tornado outbreak; Tornado outbreak sequence of May 25 – June 1, 1917; Tornadoes of 1918. 1918 Tyler tornado; Tornadoes of 1919. Tornado outbreak of April 9, 1919; 1919 Fergus Falls tornado; Tornadoes of 1920. 1920 Palm Sunday tornado outbreak; April 1920 ...
The last official EF5 tornado to hit the U.S. was the infamous 2013 Moore, Oklahoma, tornado. This violent tornado was on the ground for more than 40 minutes , carving a path of devastation more ...
In the United States, the average tornado travels on the ground for 5 miles (8.0 km). However, tornadoes are capable of both much shorter and much longer damage paths: one tornado was reported to have a damage path only 7 feet (2.1 m) long, while the record-holding tornado for path length—the Tri-State Tornado, which affected parts of ...