Local media began following the dust storm in the late afternoon as it moved into parts of Casa Grande, about 48 miles from Phoenix.
The dust cloud was 3,000 feet tall and 30 miles wide, according to ABC 15.
Flights in and out of Phoenix's Sky Harbor Airport stopped temporarily because of the storm. The airport was cleared for flights again at 8:10 p.m.
Haboobs are created when downdrafts from a forming thunderstorm kick off lose dirt and silt. The word "haboob" comes from Arabic, which makes sense because these types of storms are common in near the Sahara.
Visibility was extremely low inside the dust cloud, with The Arizona Republic saying it "ranged from no visibility to 1/2 mile" before hitting Phoenix.
Jim Dalrymple is a reporter for BuzzFeed News and is based in Los Angeles.
Contact Jim Dalrymple II at email@example.com.
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