Modern standards qualify the so-called Tri-State Tornado as an F5, a mile-wide funnel with wind speeds greater than 260 mph ...

The deadliest twister in recorded U.S. history struck 100 years ago Tuesday, touching down in southeastern Missouri and ...

Even by Plains standards, this was an unusually large, violent tornado outbreak so early in spring. One Kansas tornado was ...

It is a century since a powerful tornado ripped through three U.S. states, killing hundreds and injuring thousands.

Tornadoes can have extreme differences in how fast they move. Past history shows they can track as fast as traffic on an ...

The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.

"It is more difficult to attain an EF5 rating as the EF scale is designed right now than it was to attain an F5 rating on the ...

With the threat of severe weather in Lafayette County tonight and Saturday, a new tornado shelter is now open and available ...