Dust storm in Scottsdale, AZ.
Caution blowing Dust low visibility sign on the Loop 101 Freeway at McKellips Road on September 6, 2012 at 5:37 p.m. MST.
The National Weather Service in Phoenix issued a Dust Storm Warning at 4:52 p.m. MST. Affected areas: First Ahwatukee, Chandler, Tempe, Mesa then spreading northward into Phoenix.
