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10 Cards in this Set
- Front
- Back
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Thunderstorms |
a cumulonimbus cloud that produces lightning and thunder |
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air mass |
large region of air mass that is uniform in temperature and humidity |
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single cell thunderstorm |
a type of thunderstorm that forms under conditions of moderate wind shear, is organized in squall lines or clusters and often produces severe weather. |
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squall line |
a line of multi cell thunderstorm cells that typically forms along a cold front |
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lighting |
an electrical discharge produced by thunderstorms |
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thunder |
an acoustic shock wave produced when lighting rapidly heats and expands the air around it |
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tornado |
violently rotating column of air that descends from a cumulonimbus cloud and touches ground |
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warm front |
region where warm air advances on and flows over cooler heavier air not associated with severe weather |
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cold front |
region where cold air advances on relatively warm air , sometimes associated with severe weather |
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El nino |
periodic change in the state of the earths climate caused by the slackening and temporary reversal of the pacific equatorial trade winds and increased sea surface temperatures off costal peru |
