Kentucky Deaths Tragically Point To Power of Flash Floods

A house washes away in this week's Kentucky flood. 

When extreme rains hit hilly or mountainous terrain, the water rushes down the slopes with incredible power.  

This was once again demonstrated in eastern Kentucky, where at least four people died and others are missing after water from incredible rains roared off the hills and down a narrow mountain valley.

At first glance the video below shows a drive down a sunny Kentucky road. There's little sign of water anywhere. But then you see the smashed houses, or the missing houses, and the debris hung up in the trees.

The video is overlayed by the sound of a press conference right after the flood, and ends with a look at the anguish of victims.

Truly a scary looking scene in Kentucky: