A haboob, a type of dust storm that hits desert areas during the monsoon season, swept through the Phoenix area on Aug. 20. The storm, though intense, was fairly short-lived, as a downdraft from seasonal thunderstorms pushed dry dust in a cloud across the area.
"They act like mini cold fronts with the dust layer spreading out in front of a thunderstorm," said AccuWeather.com Meteorologist Ken Clark. "These can bring extremely low visibility and even cause traffic accidents and disrupt air travel at airports they affect."
These local residents captured the event on social media.
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Monday morning's weather may result in further airline delays in Atlanta.
While no major storms are pressing the northeastern United States in the short-term, milder air will trigger spotty, light snow and freezing drizzle to start the week.
Urduja, known globally as Kai-tak, will continue to unleash life-threatening flooding rain and mudslides as it slowly crosses the Philippines into Monday.
As frigid air plunges into and builds over the central United States, a stormy pattern with snow, ice and rain may unfold from Texas to Maine for Christmas holiday travelers.
Those getting a head start on holiday travel across the Rockies and Midwest late this week may be faced with disruptive snow along the way.
While waves of arctic air will continue to pour across the Great Lakes and New England this weekend, milder air will surge farther northward early this week.
The cold reprieve unfolding across the United States will not last long with waves of chilly air set to invade many parts of the country in the days leading up to Christmas.
Winds will again kick up and become strong, raising the risk of rapidly spreading wildfires in Southern California through Sunday as firefighters continue to battle the historic Thomas Fire.