Phoenix Dust Storm

They thing to do, is to pull off he road as far as possible and turn off your lights and keep your foot off the brake. This way, people coming up beind you. Don't see your lights and think thats the way the road goes and rear ends you

I don't know. I do know the international airport was closed for over an hour until enough of the sand settled so that it wouldn't clog the engines.

Frightening. What happens if you're driving and one of these rolls in?

Good picture.