Proper noun
Fujita scale
(US, meteorology) A scale used to rate the intensity of a tornado; now superseded by the Enhanced Fujita scale.
However over the last 4 years, it has had upwards of 20 tornado touchdowns per year, with the highest frequency occurring in the Windsor-Essex – Chatham Kent area, though few are very destructive (the majority between F0 to F2 on the Fujita scale ). Source: Internet
Intensity and damage main seeAlso The Fujita scale and the Enhanced Fujita Scale rate tornadoes by damage caused. Source: Internet
The EF Scale was designed so that a tornado rated on the Fujita scale would receive the same numerical rating, and was implemented starting in the United States in 2007. Source: Internet
Tornados are measured on the Enhanced Fujita scale, ranging from EF-0 for mild tornados, to EF-5 for devastating tornados. Source: Internet