Tornadoes are a relatively rare event. Only a tiny percentage of thunderstorms ever go on to produce a tornado. No two twisters are alike—and some of those storms are truly bizarre. From twin ...

Tornadoes with the most destructive F5/EF5 rating are a rare beast, but nearly 30 years ago, one such tornado put on a second rare display because of its strange movement. A small, rope tornado ...

Experts predicted a one in 100 trillion chance homes would be struck twice. May 21, 2013 — -- For the residents of Moore, Okla., the damage wrought by Monday's E-F5 tornado was all too familiar.