Here is a montage of 72 photos of the dust storm(Haboob) taken from around Phoenix.It left a coating of dust on everything and swimming pools had "several" inches of dust/mud settle in the bottoms.Car washes are making record profits.
http://www.azfamily.com/news/slideshows/Photos-Huge-dust-storm-slams-Phoenix-metro-125054709.html?gallery=y&c=n&ref=/&img=71#gallery-image
http://www.azfamily.com/news/slideshows/Photos-Huge-dust-storm-slams-Phoenix-metro-125054709.html?gallery=y&c=n&ref=/&img=71#gallery-image