Dust Storm Engulfs Phoenix

The string of summer storms are the result of moisture mixing with the extreme heat of the Sonoran Desert.
Rick D'Elia / Polaris

Heat and Moisture Mix
The string of summer storms are the result of moisture mixing with the extreme heat of the Sonoran Desert. July 5, 2011.

share

Get the Latest Photos from Time.com
Get TIME photos and pictures of the week delivered directly to your inbox.