https://www.fox6now.com/weather/enhanced-fujita-scale-how-national-weather-service-ranks-tornadoes
Enhanced Fujita Scale; how National Weather Service ranks tornadoes | FOX6 Milwaukee
Tornadoes are categorized on what is called the Enhanced Fujita Scale or EF Scale. This became operational on February 1, 2007.
enhanced fujita scalenational weather service
https://www.accuweather.com/en/weather-news/how-are-tornadoes-rated-using-the-enhanced-fujita-scale/432282
How are tornadoes rated using the Enhanced Fujita Scale?
The National Weather Service categorizes tornadoes by a number rating, from zero to five, after assessing the twister's inflicted damage according to the...
tornadoesratedusingenhancedfujita