: While they occur globally, the United States sees about 1,200 tornadoes annually—the highest number in the world.
Thunderstorms aren't just rain; they are massive heat engines. They typically form when near the ground meets cold, dry air above. Weather, Storms & Tornadoes
: Survivors often describe the sound of an approaching tornado as a loud roar, similar to a freight train . : While they occur globally, the United States