A dust storm is a powerful weather event where strong winds lift huge amounts of dry soil and sand into the air, creating a massive, rolling cloud that can be hundreds of feet tall and stretch for miles. Imagine standing on a prairie or desert and watching a brown wall of swirling dirt race toward you, blocking out the sun and turning day into an eerie twilight.

Dust storms happen in dry regions where there's loose soil and little vegetation to hold it down. When wind speeds reach around 25 miles per hour or more, they can pick up huge amounts of dust and carry it across entire states or countries. During the 1930s, severe dust storms plagued America's Great Plains during a period called the Dust Bowl, when years of drought and poor farming practices left topsoil exposed. These storms were so intense they buried farm equipment, pushed through cracks in houses, and forced some families to abandon their homes.

In a dust storm, visibility can drop to just a few feet, making it very hard to see where you're going. The dust gets everywhere: in your eyes, nose, mouth, and lungs. Modern weather services warn people to stay indoors during dust storms, and drivers who get caught in one are usually told to pull over and wait it out, since crashes become dangerously likely when you can't see the road ahead.