ROCHESTER, Minn. (KTTC) – After Monday’s severe weather threat, a confirmed EF-1 tornado damaged property outside Kenyon ...

(KNWA/KFTA) — April 10, 1929, was the day the only documented F5 tornado occurred in ... was used to classify tornadoes based on wind speeds. Through several years of rating tornadoes, it ...

BUFFALO, N.Y. (WIVB) — When a tornado tears ... and finally, F5, indicating speeds of up to 261-318 mph. The original Fujita scale overestimated the wind necessary to create the amount of ...

which rated tornadoes from F0 to F5, based on estimated wind speeds and observed damage. Then, in 2007, the weather service adopted the Enhanced Fujita scale, which better reflected actual storm ...