BUFFALO, N.Y. (WIVB) — When a tornado tears through an area, the main question after the fact is, “How strong was it?” That’s where the Enhanced Fujita Scale, more commonly known as the EF scale, ...

Measuring the strength of a tornado can be difficult based on sight alone, and weather instruments could easily be damaged by the strong winds. The Enhanced Fujita scale (EF-Scale) looks at the damage ...

You’ve seen photos and video footage of ominous-looking tornadoes ripping through cities, launching cars through the air and leveling houses. But how much do you know about how a twister’s strength is ...