The massive dust storm that hit Phoenix has some people wondering if this is going to be the new norm for the arid southwestern U.S. Are more mega dust storms coming?
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Dust Storm is No Joke
reports of Arizona's storm last week, "The storm resulted from thunderstorm-cooled air plummeting into the ground like mist pouring from an open freezer, only exponentially more powerful. Combine those winds with extremely dry conditions, and the result was a wall of dust 100 miles wide and 5,000 feet high."
Photo: Ms. Phoenix via Flickr CC