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Thunderstorms and Tornadoes in Earth Science

Learn about thunderstorms and tornadoes along the intertropical convergence zone and in the U.S. Southeast. Discover the science behind these phenomena, including air mass movement and rotations. Explore how high temperatures, humidity, and instability contribute to thunderstorm formation.

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Thunderstorms and Tornadoes in Earth Science

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  1. Harry Williams, Earth Science

  2. Harry Williams, Earth Science

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  13. System moving east 5 4 3 1 2 Harry Williams, Earth Science

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  19. Thunderstorms are most common along the intertropical convergence zone, due to the combination of high temperatures, high humidity and high instability. In the U.S. they are most common in the southeast, where warm humid air from the Gulf of Mexico penetrates inland. Harry Williams, Earth Science

  20. Tornadoes: A moving mass of air often moves faster aloft than at the surface – a rotation or “forward-rolling” effect can result. If this air encounters strong uplift e.g. a front or developing thunderstorm, the rotating air can be lifted upright. It becomes a vertical rotation. Harry Williams, Earth Science

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