US: Dust Storm Engulfs Arizona -
This video shows a time-lapse of the dust storm spreading across Gilbert, AZ.
A dust storm, or haboob, rolled through Arizona area reducing visibility to near zero. The monsoon season is causing this regular natural occurrence in the state. Although the haboob only lasted a few minutes, it was sufficient to cause significant impact on traffic. (Courtesy: @ZaK_AtaK_