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

Floods, fires and storms are flat or down, but risk and damages have increased. Last episode, our experts referenced IPCC data to explain that heat, heat waves and precipitation are trending up. While ...

On May 10th, 1996, a massive tornado outbreak tore through Oklahoma, but for one meteorologist, it was also a once-in-a-lifetime opportunity. Professor Jo Harding and her storm-chasing team set out to ...

For the first time since 2013, an EF5 tornado was confirmed in the United States. Yesterday, the National Weather Service in Grand Forks, North Dakota, upgraded the tornado rating of the Enderlin, ...

AUSTIN (KXAN) — A 12-year “drought” of EF5 tornadoes has ended, after the National Weather Service upgraded a tornado in North Dakota to EF5 status. The tornado touched down near Enderlin, North ...

MADISON, Wis. - The last EF-5 tornado that touched down in the United States hit Moore, Oklahoma, in May of 2013. However, meteorologists at the National Weather Service Grand Forks have determined, ...

“They call F5 tornadoes the ‘finger of God.’ Few have stared one in the face and survived,” said the late Bill Paxton’s character in the movie “Twister.” The “finger of God” nickname originated after ...

Tornadoes with the most destructive F5/EF5 rating are a rare beast, but nearly 30 years ago, one such tornado put on a second rare display because of its strange movement. A small, rope tornado ...

Cybersecurity firm F5 on Monday forecast first-quarter revenue below Wall Street estimates, citing near-term disruption to sales cycles following the recent cybersecurity breach at the company.

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 on American soil ...

ENDERLIN, N.D. — A tornado that killed three people this summer in southeast North Dakota has been reclassified EF5, the most damaging level for a twister. The June 20 tornado that destroyed at least ...