Supercell storms are just that: super – but not always in a good way. Supercells are among the biggest, strongest and sometimes most destructive kinds of storms imaginable, and their effects can be felt up to 20 miles (32 kilometers) away. If the conditions are right, they can occur almost anywhere, but they’re most commonly found in “Tornado Alley” in the United States, where most of these photographs were taken.
