Concept:

  • Tornadoes are one of the most violent natural disasters, which happen a lot in the United States and in all around the world.
  • A tornado, basically, is a spinning column of air extending from a thunderstorm, with very high winds.
  • They come in all shapes and sizes, and they also don’t last very long, most of them last only 5 to 10 minutes, but some may last for over an hour.
  • It is hard for scientists to learn about them, as well as forecast them. Some tornadoes can reach 50 miles an hour.

    THE DANGER SIGNS

    • Extremely high winds. Sometimes, before a tornado, the wind may die down and the air gets very still.
    • An approaching cloud of debris.
    • Dark, greenish sky, tall dark clouds.
    • Heavy thunderstorm.
    • The collapse of buildings.
    • The tossing of vehicles, and heavy