EF5 vs. F5: Abilene meteorologists explain how tornado ratings evolved

Some might think the Enhanced Fujita (EF) Scale is basically the same as the original Fujita (F) Scale, but Big Country ...
Yahoo

First EF5 tornado to strike the US in over a decade just confirmed by experts

A rare, monstrous EF5 tornado that struck the United States more than three months ago was the first of its kind in more than a decade, experts announced Monday. A tornado that roared through part of ...
Hosted on MSN

EF5 tornado that killed 3 in North Dakota was the nation’s first in 12 years

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph (322 kph), the strongest classification of tornado and the first ...
WTAE-TV

EF5 tornado that killed 3 in North Dakota was the nation's first in 12 years

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph, the strongest classification of tornado and the first confirmed on ...