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University of Utah *

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1000

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Electrical Engineering

Date

Apr 3, 2024

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docx

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Name : Yeonu Jae GEO 1000, Science in Cinema Thunderstorms and tornadoes homework 1. During what season of the year do tornadoes occur most frequently in the United States? - mostly in the spring and early summer in the United States. 2. What is a downburst and why are they hazardous to airplanes? - Downburst is a downdraft of air that rapidly comes down from a thunderstorm and reaches the ground. And they are hazardous to airplanes because of something like sudden and strong winds and wind shears. 3. Formation of a thunderstorm requires vertical lifting of air. Explain the three main mechanisms of air mass lifting that can trigger thunderstorms. -Convective lifting: occurs when the sun heats the Earth's surface, warming the air in contact with it. -Orographic lifting: occurs when air is forced to ascend over elevated terrain -Frontal lifting: occurs at the boundaries between different air masses. 4. What information from Doppler weather radar helps weather forecasters identify supercell thunderstorms that may give rise to tornadoes? - It gives information like rotation signatures, hook echoes and tornado debris signature. 5. Where is the most dangerous place to be during a tornado (based on the # of deaths that occur)?

- In a mobile home or trailer.

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