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15 Cards in this Set
- Front
- Back
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Cirrus
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Wispy, feathery clouds made mostly of ice crystals that form at high levels, above about 6 km.
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Coriolis Effect
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The way Earth's rotation makes winds in the Northern Hemisphere curve to the right and winds in the
Southern Hemisphere curve to the left. |
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Cumulus
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Clouds that form less than 2 kilometers above the ground and look like fluffy, rounded piles of cotton.
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Front
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The area where air masses meet and do not mix.
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Humidity
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A measure of the amount of water vapor in the air.
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Isobars
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Lines on a map joining places that have the same air pressure.
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Isotherms
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Lines on a map joining places that have the same temperature.
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Jet Streams
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Bands of high-speed winds about 10 dm. above the Earth's surface.
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Mesosphere
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The middle layer of Earth's atmosphere; the layer in which most meteoroids burn up.
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Occluded
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Cut off, as the warm air mass at an occluded front is cut off from the ground by cooler air beneath it.
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Pressure
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The amount of force pushing on a surface or area.
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Relative Humidity
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The percentage of water vapor in the air compared to the maximum amount the air can hold a that
temperature. |
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Stratus
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Clouds that form in flat layers.
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Troposphere
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The lowest layer of Earth's atmosphere, where weather occurs.
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Wind
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The horizontal movement of air from an area of high pressure to an area of lower pressure.
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