A First Alert Weather Day has been declared for Friday as a massive wall of dust moved through the Southeast Valley. The dust storm formed in Casa Grande and moved into the Chandler and Gilbert area around 6 p.m. The wall of dust, which some call a haboob, was roughly 50 miles wide and up to 6,000 feet tall.
Aerials from Arizona’s Family news chopper showed the dust consuming different neighborhoods. It was one of the most spectacular walls of dust so far this monsoon. Peak wind gusts reached up to 65 miles per hour, and there were numerous reports of zero visibility in the storm.
However, the storm and strong winds left many without power. At the storm’s height, nearly 5,000 SRP customers were without power in the Southeast Valley. Meanwhile, for APS customers, about 2,000 people didn’t have power in the metro Phoenix area.
The National Weather Service …