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13.1 Thunderstorms. Earth Science. Overview. At any moment ________ thunderstorms are occurring across the globe Mississippi has an average of ______ thunderstorm days each year ________________ are associated with thunderstorms
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13.1 Thunderstorms Earth Science
Overview • At any moment ________ thunderstorms are occurring across the globe • Mississippi has an average of ______thunderstorm days each year • ________________ are associated with thunderstorms • Thunderstorms provide energy for the formation of ___________
How they form • 3 conditions must exist: • Thunderstorms form from ______________ clouds
Types • _________thunderstorms occur when air rises because of ________l heating of Earth’s surface within one air mass; “pop-up storm” • Mountain • Sea-breeze • _________thunderstorms are produced by advancing cold fronts.
Life Cycle • Life cycle of a thunderstorm