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The old scale lists an F5 tornado as wind speeds of 261–318 mph (420–512 km/h), while the new scale lists an EF5 as a tornado with winds above 200 mph (322 km/h), found to be sufficient to cause the damage previously ascribed to the F5 range of wind speeds.
The Moore, Oklahoma tornado of May 20, 2013, is the most recent tornado to be rated EF5 as of 2025. 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.
Following the creation of the Fujita scale in 1971, the National Weather Service office in Northern Indiana rated the worst of the damage F4. Tornado expert Thomas P. Grazulis rated the tornado F5 in 1993. [11] In 2000, the National Oceanic and Atmospheric Administration along with the Nuclear Regulatory Commission rated the tornado F5. [15]
As the tornado lofted debris at significant wind speeds across the vehicle, the storm chasers' ears popped from the significant pressure change. Then, in a matter of seconds, it was over.
Before the Moore tornado, the blockbuster tornado season in 2011 led to the confirmation of five EF5 twisters, including the Joplin, Missouri, EF5 that killed 161 people. A total of 50 tornadoes ...
Weather of 2022; Tornado. Tornadoes by year; Tornado records; Tornado climatology; Tornado myths; List of tornado outbreaks. List of F5 and EF5 tornadoes; List of F4 and EF4 tornadoes. List of F4 and EF4 tornadoes (2020–present) List of F3, EF3, and IF3 tornadoes (2020–present) List of North American tornadoes and tornado outbreaks
In May 1999, an F5 tornado struck Moore and killed 36 people. Tornadoes also hit the city in May 2003 and May 2010 , with the May 2010 tornado rated as an EF4.
The 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". [13] 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". [14]