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

It left 695 people dead and more than 2,000 injured, not counting the casualties from at least seven other twisters that the ...

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

The most extreme tornadoes have winds over 200 mph and can measure over a mile wide, and it has been over a decade since the ...

The deadliest tornado in recorded U.S. history occurred 100 years ... Modern standards qualify the so-called Tri-State Tornado as an F5, a mile-wide funnel with wind speeds greater than 260 ...

The deadliest tornado in recorded U.S. history occurred 100 years ago, tearing through Missouri, Illinois and into Indiana, and killing 695 people.

Deadliest twister in recorded U.S. history The deadliest ... Modern standards qualify the so-called Tri-State Tornado as an F5, a mile-wide funnel with wind speeds greater than 260 mph (418 ...

Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading system is to blame.