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20 Cards in this Set
- Front
- Back
AIR MASS
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a huge body of air that has similar temperature, pressure and humidity throughout.
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TROPICAL
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a warm air mass that forms in the tropics
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POLAR
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a cold air mass that forms north of 50 degrees north latitude or south of 50 degrees south latitude and has high air pressure.
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MARITIME
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a humid air mass that forms over oceans.
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CONTINENTAL
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a dry air mass that forms over land.
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FRONT
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the area where air masses meet and do not mix.
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OCCLUDED
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cut off, as a warm air mass at an occluded front is cut off from the ground by cooler air beneath it.
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CYCLONE
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a swirling center of low air pressure.
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ANTICYCLONE
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a high pressure center of dry air.
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STORM
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a violent disturbance in the atmosphere.
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LIGHTNING
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a sudden spark or energy discharge -when electrical charges jump between clouds.
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TORNADO
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a rapidly whirling funnel shaped cloud that reaches down from a storm cloud to earth.
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HURRICANE
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a tropical storm that has winds of 119 kilometers per hour or higher.
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STORM SURGE
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a dome of water that sweeps across the coast where a hurricane lands.
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EVACUATE
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to move away temporarily.
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FLASH FLOOD
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a sudden violent flood
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METEOROLOGIST
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scientist who study the causes of weather.
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EL NINO
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an abnormal climate event that occurs every 2 to 7 years in the Pacific Ocean causing changes in the currents, winds and weather pattern.
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ISOBAR
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lines on a map joining places that have the same pressure.
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ISOTHERM
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lines on a map joining places that have the same temperature.
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