Tornadoes have always been a fascinating yet terrifying natural phenomenon, but some of them leave behind destruction that seems almost unreal. What does it take for a tornado to become an EF-5 ...

Scientists say a new epicenter is forming for the deadliest storm zone in the U.S. Here’s where people are now most at risk from tornadoes.

The City of McAlester is still working on recovery after being hit by an EF-1 tornado and strong winds in early June.

The couple chased an EF-5 tornado on May 22, 2011 that turned out to be the deadliest in a lifetime. WATCH: Owasso tornado chasers recount 2011 Joplin tornado in new NBC series: ...

You're all familiar with the Enhanced Fujita Scale or EF Scale, which became operational on February 1, 2007, is used to assign a tornado a 'rating' based on estimated wind speeds and related ...

An EF-1 tornado with winds reaching 95 mph hit Dodgeville Wednesday, narrowly missing people's homes, including that of News 3 Now Meteorologist Blaise Keller’s family.

NBC’s new series “Survival Mode” featured a story about the 2011 Joplin, Missouri, tornado that killed 161 people and injured over 1,000 residents.

Severe Weather Weak tornado in southern Indiana touched down without NWS warning The tornado just north of Crothersville has been classified as an EF-U.

The YMCA of Greater Oklahoma City is taking over the operations of historic Camp DaKaNi, preserving the longtime youth camp after it faced financial struggles in recent years.

Would a flood scale like those used for hurricanes and tornadoes have prompted different actions by Texas officals and the public before July 4th flooding?