The scar, according to Lipar and his team, was created by a ferocious tornado that likely had wind speeds reaching over ... were consistent with a tornado of F2 to F3 strength on the Fujita ...

The scar was 6.84 miles long and up to 820 feet wide, with wind speeds exceeding ... "This suggests the tornado was no ordinary storm but in the strong F2 or F3 category, spinning with destructive ...