PHOENIX —

A towering wall of dust rolled through metro Phoenix on Monday with storms that left tens of thousands of people without power and temporarily grounded flights at the city airport.

About 39,000 people were without power in Arizona, most of whom were in Maricopa County, which includes Phoenix, according to PowerOutage.us .

Motorists hurried home through strong winds and rain as the dust storm, commonly referred to as a haboob, approached. Haboobs are associated with collapsing thunderstorms and strong winds and can make driving on roads nearly impossible.

The haboob cut visibility to a quarter-mile across metro Phoenix but had cleared up by Monday evening. Phoenix has been drier than usual during the summer rainy season, while parts of southeast and north-central Arizona hav

See Full Page