The Four Causes And Forms Of Tornadoes

Good Essays
Emily Steber
Mrs. Beary
Environmental Science
10 November 2017
A tornado, by definition, is a violently rotating column of air that extends from the ground to a thunderstorm above in the sky. Tornadoes are created through many factors, one of which is instability-when the air closer to the ground is warmer than the air that is higher up. If the unstable air contains water vapor that is able to turn into water, then raindrops or hail will form. Another factor that determines whether or not a tornado will form is wind shear. When winds blow at different distances, directions, and speeds, they form an invisible tube in the atmosphere that spins parallel to the ground. Eventually, the updrafts-upward current of air-will turn the tornado until it is vertical. This rotation creates a thunderstorm called a supercell, which can tighten its rotation to produce a tornado (How a Tornado Forms) (Bridges).

The two pictures above explain the four steps of how a tornado is formed (Tornadoes: The Science Behind…).

Tornadoes can form any time throughout the year, however, most form in the months of March through May. Researchers have also linked climate change to the violent storms’ occurrences.“Understanding how climate shapes tornado activity makes forecasts and projections possible…”, Michael Tippett, a climate scientist, stated. Although all of the states in America are at risk for tornadoes, the southern plains of the central united states frequently encounter the most
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