National Geographic photographer Carsten Peter talks about documenting storm chaser Tim Samaras at work in the field.

For the first time in 12 years, the United States has recorded an EF5 tornado, the most powerful type of twister on the Enhanced Fujita wind and damage scale, the National Weather Service confirmed ...

ENDERLIN, N.D. (Valley News Live) - It’s been nearly four months since devastation hit Enderlin, North Dakota, with the biggest weather event of the summer. “It’s one thing to be looking at a radar, ...

A deadly tornado that ripped through a rural city in North Dakota in June has been upgraded to an EF-5, the National Weather Service said Monday, marking the first U.S. twister with an EF-5 rating in ...

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 ...

A deadly tornado that tore across North Dakota this summer has been upgraded to an EF5 with winds over 200 mph, the strongest classification of tornado and the first on American soil in 12 years, ...

The deadly tornado that struck Enderlin, North Dakota, in June has been classified as an extremely rare EF-5 storm, the first to hit the United States in 12 years. After a tornado strikes, the NWS ...

WASHINGTON — An EF5 tornado struck North Dakota this year, the National Weather Service confirmed Monday, marking the first tornado of that strength in more than a decade on American soil. The ...