[youtube]http://www.youtube.com/watch?v=HFW7PABbJYQ[/youtube]

 The Haboob

This is a video shot on May 27, 2001 while videographer was being chased across northwest Oklahoma by a severe line of storms with 100 mph winds.  Second video after the jump.

 [youtube]http://www.youtube.com/watch?v=95tmYmeHf84[/youtube]

 Broken Hill Dust Storm – Australia

Driving through a dust storm between Wilcania and Broken Hill, in NSW Australia on 21 Dec 2007.