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41 Cards in this Set
- Front
- Back
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The condition of the atmosphere at a particular time and space. |
Weather |
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continuous movement of water |
Water cycle |
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The amount of water in the atmosphere |
Humidity |
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The amount of moisture the air contains compared with the maximum amount it can hold at a certain temperature |
Relative humidity |
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An instrument that measures relative humidity |
Psychrometer |
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Water vapor turns into a liquid |
Condensation |
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The temperature to which then air must be cool to turn liquid |
Dew point |
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A collection of water in the atmosphere |
A cloud |
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Cotton, fluffy looking cloud |
Cumulus cloud |
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Clouds that form in layers |
Stratus clouds |
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Dark stratus clouds that produces light to heavy or continuous rain |
Nimbostratus clouds |
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Feathery white clouds found at high altitudes. |
Cirrus clouds |
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a form of water like rain, sleet, snow, and hail falls down to Earth |
Precipitation |
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the most common form of precipitation that happens in the summer or warm weather |
rain |
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made up of ice crystals |
snow |
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aka freezing rain |
sleet |
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this happens when the sleet changes into a layer of ice |
glaze |
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a ball or lump of ice falling to the ground |
hail |
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an instrument that measures the amount of rainfall |
rain gauge |
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a large body of air that has the similar temperature and moisture |
air mass |
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forms over water; wet |
maritime (m) |
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forms over land; dry |
continental (c) |
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forms over polar regions; cold |
polar (P) |
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develops over the Tropics; warm |
tropical (T) |
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where two air masses meet a boundary is formed between them |
a front |
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small, intense weather systems that have strong winds, heavy rain, lightning, and thunder |
thunderstorm |
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a large electrical charge that happens when two oppositely charged surfaces |
lightning |
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the sound that results from the rapid expansion of air along the lightning strike |
thunder |
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a small rotating column of air with high wind speeds and low central pressure |
tornado |
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a large, rotating tropical storm with high wind speeds |
hurricane |
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hurricanes in the western Pacific Ocean |
typhoons |
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hurricanes that form over the Indian Ocean |
cyclones |
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surrounds the eye of a hurricane |
the eye wall |
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the center of the hurricane |
the eye |
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beyond the eye wall, spiraling bands of clouds or the worst part of the storm after the eye |
the rain band |
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a wall of water that builds up over the ocean due to the heavy winds and low atmosphereic pressure |
storm surge |
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a tool to measure temperature |
thermometer |
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measures air pressure |
barometer |
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measures wind direction |
a windsock or a wind vane |
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measures wind speed |
anemometer |
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line that connect points of an equal air pressure rather than equal elevation |
isobars |
