The scale would rate a storm based on the amount of dust in the air, as well as other components, researchers say.

Parts of central Arizona were engulfed by a towering wall of dust on Monday evening — producing dramatic scenes that sent shockwaves far beyond the Grand Canyon state. " It was larger and it went ...

Arizona’s recent haboobs are dramatic but common, driven by thunderstorm winds. Wisconsin once saw Prairie dust darken its skies during the 1930s Dust Bowl. Better farming and forecasting has lowered ...

(ARIZONA) — A dramatic dust storm, known as a haboob, swept through Arizona earlier this week, capturing attention both on the ground and across social media. Photos and time-lapse footage from ...

According to the National Oceanic and Atmospheric Administration, these storms can whip up walls of dust as high as 10,000 feet. Parts of central Arizona were engulfed by a towering wall of dust on ...