The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.

Damage from the 1999 F5 tornado that struck Moore ... houses and whole frame houses completely leveled; cars thrown and small missiles generated. EF-5 (>200 mph) F5 (261-318 mph) Incredible ...

Grazulis believes Worcester was probably an F5, although it is officially ranked as an F4 by SPC. In the early 1970s, Grazulis collected early tornado footage to create the world’s first ...

UPDATE: Hennessey has released official renderings and verbiage on its forthcoming Venom F5, which we've incorporated into this story. According to Hennessey, the project has been dubbed F5, not ...

Tropical Storm Francine is expected to strengthen into a hurricane later Tuesday and make landfall in Louisiana on Wednesday.

From natural disasters to epidemics to monsters wreaking havoc, disaster movies have always fascinated audiences. We ...

Violent tornadoes — those rated F4/EF4 and F5/EF5 — are much rarer. Only 89 such tornadoes were reported during the same time period, accounting for 0.9% of all tornadoes. In fact, only six ...

Warnings typically encompass a much smaller area (around the size of a city or small county) that may be impacted by a ...

In 1997, the last F5 tornado to hit the entire state of Texas decimated the small town of Jarrell, just 10 miles north of where he and his family were living. He vividly remembers the destruction ...

(CNN) --A mile-wide tornado passed Tuesday night through the small south-central Minnesota town of Buffalo Lake, causing heavy damage but killing no one, the city's police chief said. "We've had ...

Are today's palm-stretching phones too much for you? These are the top devices we've tested that fit comfortably in your hand and pocket. I’m one of PCMag’s mobile analysts. That means I check ...

But what about the other side of the scale? What is the smallest cat in the world? Here is what you need to know about the tiniest felines. What is the smallest cat in the world? The rusty ...