Dust storms in Maricopa, Pinal counties prompt calls to delay travel

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Dust storm in Casa Grande. Courtesy of Francisco Mendoza Lopez (file photo)

PINAL COUNTY, Ariz. - A dust storm swept across Pinal and Maricopa counties Saturday night and safety officials asked anyone who had plans to travel to delay them due to safety.

A dust storm warning was in effect through 7:30 p.m. for a portion of Pinal County, the National Weather Service says. In Phoenix, there was a dust advisory until 7:45 p.m.

"If you encounter dense blowing dust, pull off the road as far as possible (not just the shoulder) and park; turn off the lights and keep your foot off the brake. Pull Aside, Stay Alive!" NWS said in a Tweet.

Highways 10 and 8, and areas near Casa Grande and Eloy were impacted by low visibility.