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Pilot captures unbelievable photo of haboob sweeping over Phoenix

August 23, 2016 at 3:28 p.m. EDT
A haboob, or dust storm, over Phoenix on Aug. 21. (Ryan Vermillion)

On Sunday afternoon, a thunderstorm collapsed south of Phoenix, and a downward burst of wind collected a towering plume of dust that swept across the region – known as a haboob.

As the cool air descending from this storm, known as its outflow, streamed north and clashed with the hot desert air, a new thunderstorm erupted with the haboob charging out in front of it.