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Severe Storms

Thunderstorms form in cumulonimbus clouds called thunderheadslightningrainsupdraftsSelect your answer. Huge electric sparks, or updraftslightningrainsthunderheadsSelect your answer, heats the air. This produces the lightningnoisethunderheadsupdraftsSelect your answer named thunder. Thunderstorms usually feature strong winds and heavy coldthunderheadsrainsupdraftsSelect your answer. Thunderstorms begin when strong updraftsrainsthunderheadsnoiseSelect your answer, or upward rushes of heated air, form inside clouds. Then the rising air rubs against the air going coldrisedownupdraftsSelect your answer, building up static electricity. When the weather is hot and humid with a(n) coldlightningrainsupdraftsSelect your answer front approaching, thunderstorms are probable. These conditions cause the warm air to riserainsupdraftscoldSelect your answer rapidly.