A massive tornado intercepted by a storm chaser in South Dakota was seen twisting and transforming right before him.

People in the warning area are urged to seek immediate shelter inside a sturdy building and to stay away from windows in case ...

A severe thunderstorm capable of producing a tornado was located 16 miles west of Toms River, moving east at 20 mph. Radar ...

A flash flood warning was issued by the National Weather Service for the following: Berks, until 8:15 p.m., Chester, Delaware and Montgomery counties, until 9:45 p.m. and Bucks, until 10 p.m. Tuesday.

A Severe Thunderstorm Watch is in effect for all 21 counties through 9 p.m., with forecasters warning of damaging wind gusts ...

At 5:19 p.m. on Tuesday, the National Weather Service released a tornado warning in effect until 5:45 p.m. for Bucks and ...

Take cover, a tornado warning was issued by the National Weather Service in Mount Holly on Tuesday, July 8, from 5:20 p.m. until 5:45 p.m.. This warning applies to Chester, Delaware, Montgomery and ...

3:21 p.m. EDT - A tornado watch is in effect across portions of northern Ontario amid a severe storm threat on Saturday ...

4:18 p.m. CDT - A tornado watch remains in effect across portions of northern Ontario as a line of severe thunderstorms moves ...

A tornado watch has been issued for some parts of central Alberta due to severe thunderstorms popping up Wednesday afternoon.

More than 150 died when a twister tore through Joplin in 2011, making it the deadliest tornado in the last seven decades.

Environment Canada's tornado warning for eastern Ontario has ended. From about 3:20 until 4 p.m. the agency said a severe ...