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        6-12

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        Auditory, Visual

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        How Do Tornadoes Form?

        On average, about 800 tornadoes occur in the United States each year. They can appear and disappear in moments, and key details about their formation are unknown. These factors make the research to understand and predict tornado occurrence extremely difficult. This video segment adapted from NOVA describes the challenges of studying tornadoes and shows how computer simulations are helping researchers observe what they can't possibly see in a real storm.

        Visit the program page here.

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