1. Extreme Weather

    Big Dust Storm Blows Through Phoenix

    In this image from ABC15.com a large dust storm rolls across downtown Phoenix, Arizona Tuesday evening July 5, 2011. The massive dust storm redued visibility and delayed flights as strong winds toppled trees and caused power outages for thousands of residents in the valley.

    ABC15.com / AP Photo

    An enormous, 50-mile-wide dust storm blew through Phoenix late on Tuesday; incredible photographs show a gray wall sweeping across the city. Winds reached 60 miles per hour, severe thunderstorm warnings were issued, and visibility was so reduced that flights to Phoenix from Los Angeles and Las Vegas were canceled until 9 p.m. Tuesday. The high winds are expected to continue for several days, although the storm threat will shrink.

    Read it at Los Angeles Times