Tornadoes don't just appear out of nowhere. They need the perfect storm to form. It starts when warm, humid air clashes with cold air, which can generate a powerful thunderstorm known as a supercell.

Tornadoes don't just appear out of nowhere. They need the perfect storm to form. It starts when warm, humid air clashes with cold air, which can generate a powerful thunderstorm known as a supercell.

Tornadoes are one of the most violent and destructive forces on Earth reaching speeds in excess of 200 miles per hour. Sometimes, tornadoes can clear a path a mile wide and travel more than 50 miles.

After the Clark Mills tornado, parents face difficult talks about loss and future storms. Here's some helpful advice and tips ...

Mesoscale convective systems (MCS) are common across Canada during the summer. Here’s a look at these storms and how they ...

Over the stunning tornado’s entire lifetime, it only traveled 3.02 miles. It ambled along at 4 mph — barely walking pace.

Just last week, 13 tornadoes made landfall in the state. But last night, Bismarck saw its first tornado in years.

At least three times this year, tornadoes have crossed the Mississippi River from Missouri into Illinois, including twice in ...