Dust devils are usually weak and relatively harmless, though they can fling lawn furniture and umbrellas around.

Wind gusts of 30-40+ mph are whipping up dust around Arizona, with gusts of up to 25-35 mph in the Valley. The southwest ...

(AZFamily) — It was a major part of a revolutionary effort to reduce dust storm-related fatalities along a notorious stretch of Interstate 10 south of Phoenix. Engineers with the Arizona ...