A relatively weak tornado produced a record-breaking and more-than-mile-wide swath of damage in Iowa. Here's how that stacks ...

Damage surveys provide crucial information about when, where and how strong U.S. tornadoes are to better understand disaster risk ...

Understanding the distribution and frequency of tornado intensities is crucial for preparedness and mitigation efforts.

The images coming out of Moore, Oklahoma serve as a powerful reminder of nature’s fury. That community experienced the ...

and is widely known for creating the Fujita scale of tornado intensity and damage.

The EF-4 tornado that struck Arkansas and Missouri on March 14 has been confirmed as the region’s third longest since 1950, ...

Tornadoes and hurricanes remind us how vulnerable we can be in the face of nature. Each storm is different, but the outcome is often the same: physical damage, financial loss, and the long road to ...

Earth Day draws attention to climate change, but it's also been a fascinating day in weather history, with everything from ...

but they have already found "high-end" EF-1 damage between Owasso, Sperry and Collinsville. The EF Scale for measuring tornado intensity shows that "high-end" EF-1 winds are as high as 110 mph.

Kelli Stannard was holed up with her pets in her house on Buck Point Road when severe storms moved overhead, knocking one tree through her bedroom window.

WEST MICHIGAN — A powerful cold front and low pressure system swept through West Michigan earlier Sunday afternoon and evening, causing widespread damage and significant power outages.

Two confirmed tornadoes hit Tallahassee on ... and work would continue Tuesday to survey the damage and determine the likely tornadoes' intensity and tracks. Contact Jeff Burlew at jburlew@ ...