A Feb. 21-22, 1971 outbreak claimed 121 lives from Texas to North Carolina, the deadliest February rash of tornadoes in ...

Subatomic particles called muons could measure pressure changes in supercell thunderstorms and the twisters they kick up.

A supercell is a highly organized thunderstorm with some components that set it apart from other "garden variety" thunderstorms. Supercells have the capability to produce tornadoes, damaging hail ...

The first image represents a squall-line, or line of storms, with a singular supercell ahead of the line 30 minutes before the tornado touched down. The red circle indicates where the line of ...

That path was about eight-tenths of a mile wide. It was the same supercell that caused an EF2 tornado that struck Dallas County about half an hour earlier in the day. The Selma tornado packed ...