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19 Cards in this Set
- Front
- Back
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air mass |
a huge body of air that has similar temperature,humidity and air preassure at any given height. |
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tropical air mass |
a warm air mass that forms in the tropics and hass low air pressure |
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polar air mass |
a cold air mass that forms north of 50 north latitude or south 50 latitude and has high air pressure |
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mantime air mass |
a humid air mass that forms over oceans |
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continental air mass |
a dry mass that forns over land |
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front |
the boundary where unlike air masses meet but do not mix.
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occluded front |
the temperature near the ground becomes cooler the warm air mass is cut off |
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cyclone |
a swirling center of low air pressure |
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anticyclone |
a high pressure center of dry air |
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storm |
a violent disturbance in the atmosphere |
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thunderstorm |
a small storm often accompanied by heavy precipitaion and frequent thunder and lightning |
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lightning |
a sudden spark. or energy discharge, caused when electrical charges jump between parts of a cloud between nearby clouds and the ground |
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tornado |
a rapidly whirling funnel-shaped cloud that reaches down to tuch Earth's surface. |
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hurricane |
a tropical storm that winds of about 119 kilometers per hour or higher |
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storm surge |
a dome of water that sweeps across the cost where a hurricane lands |
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evacuate |
to move away temporatlly |
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metorologist |
Scientits who study th cause of weather and try to pedict it. |
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isobar |
a line on a weather map that joins places that have the same air pressure |
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isotherm |
a line ona weather map that joins places that have the same temperature |
