PHOENIX (AP) - For the second time in less than two weeks, Phoenix has been enveloped by a giant dust storm called a haboob.
The National Weather Service says the dust towered 3,000 feet high and winds gusted to 40 mph. Visibility in fell below a quarter-mile delaying flights at Sky Harbor International Airport.
The storm began to clear within an hour after arriving.
The earlier haboob brought a mile-high wall of dust that knocked out power for hundreds of people and turned swimming pools into mud pits.