The wall of dust typically reaches heights between 1,500 and 3,000 feet and can stretch as far as 100 miles wide. To put that into perspective, that's the distance between Phoenix and Tucson.
Walls of dust can stretch as far as 100 miles wide
However, the Valley has seen dust storms that are even bigger. On July 5, 2011, the biggest haboob ever observed in the Valley rolled in. It was estimated at over 5,000 feet tall and stretched the entire length of the Valley, from Goodyear to Apache Junction.
If you get caught outside during a dust storm, seek shelter immediately or you may be hurt by flying rocks and debris being thrown around by winds up to 50 mph.
If you’re driving when a dust storm hits, remember to pull off to the right, take your foot off of the brake and turn off your car’s engine and lights. Wait there until visibility improves.
The effects of dust storms can linger for days, worsening our air quality and causing many people difficulty breathing.