In brief
A massive dust storm struck parts of Arizona, particularly Pinal County, creating a dramatic wall of dark dust propelled by thunderstorm winds. The phenomenon, referred to as a haboob, is common in the American Southwest and derives its name from Arabic, meaning 'strong wind' or 'gale.'
A massive dust storm has swept through parts of the US state of Arizona. The thick wall of dark dust in Pinal County was carried by thunderstorm winds - a phenomenon known as a haboob, according to the National Weather Service. The term haboob comes from Arabic and refers to a 'strong wind' or 'gale'. In the United States, they are most common in the southwest.
