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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Air mass |
Large body of air that has properties similar to Earth's surface over which it develops. |
Air Earth's surface |
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Fronts |
Boundary between two air masses of different density, moisture, or temperature. -cold front-cold air wedges under warm air -warm front-warm air slides over cold air -Occluded front-cold air forces warm air up -stationary front-neither cold or warm advances |
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Thunderstorm |
A storm of heavy rain accompanied by lightning, thunder, and hail |
Sever storm Cumulonimbus clouds Happen at fronts |
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Lightning |
When current flows between regions of opposite electrical charges |
Current Opposite charges |
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Thunder |
Results from the rapid heating of air around a bolt of lightning |
Rapid heating-air Around lightning |
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Tornado |
A violently rotating column of air in contact with the ground |
Rotating air Touches ground Funnel cloud when in air |
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Hurricane |
Large, swirling, low-pressure system that forms over the warm Atlantic Ocean |
Low-pressure system Most powerful Must have winds of at least 119 km/hr Warm water Severe storm Called typhoons over Pacific ocean and cyclones over the Indian ocean |
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Blizzard |
Snow storm that has the following:winds 56 km/hr, low temperature, visibility less than 400 km, blowing snow, at least 3 hours |
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Meteorologist |
Person who studies the weather |
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Station model |
Shows the weather conditions in a specific location on Earth's surface |
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Isotherm |
A line that connects points of equal temperatures |
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Isobar |
Line drawn to connect points of equal atmospheric pressure |
Close together=strong winds |
