MNN Galleries

10 terrifying twisters

tornado forms over Arkansas field

Photo: Paul McIntosh/AP

10 of 12

Keo, Arkansas

A funnel cloud forms over a field in Keo, Ark., on April 10, 2008. A band of hail, heavy rain and twisters pounded Arkansas, Texas and Oklahoma, damaging hundreds of homes, flooding roads and leaving thousands without power.