Dust storm
A dust storm, or sandstorm, is a storm of small particles of sand and dirt. Dust storms happen when a strong wind front blows loose sand and dust from a dry surface. Particles are picked up and suspended in the air, causing soil erosion where they were. The wind drops them in another place where they can form loess, a kind of silt.
Dust Storm Media
An aerial view of a sandstorm over the Namib Desert
Animation showing the global movement of dust from an Asian dust storm.
Dust storm in Sahara, painted by George Francis Lyon
Sydney shrouded in dust during the 2009 Australian dust storm.