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25 Cards in this Set
- Front
- Back
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what is humidity?
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the amount of water vapor in the air
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what is relative humidity?
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the percentage of water vapor in the air compared to the maximum amount of the air could hold
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how would you measure relative humidity?
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a psychometer
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stratus
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makes fog, layered clouds that block up the sum
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stratocumulus
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low and puffy
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nimbostratus
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puffy creates rain or snow
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altocumulus
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mid-level, puffy
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altostratus
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mid-level, block up the sun
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cirrus
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skinny, feathered makes wind
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cirrostratus
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skinny, causes halos, high clouds, cover large ares, often blocking out the sun
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cirrocumulus
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puffy, high, white clouds with flat bottoms
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cumulus
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puffy, white clouds with flat bottoms
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cumulonimbus
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tall, puffy, creates thunder, hail, tornados
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clouds in the troposphere
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stratus, stratocumulus, nimbostratus, altocumulus, altostratus, cirrus, cirrostratus, cirrocumulus, cumulus, cumulonimbus
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precipitation
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is any form of water that falls from clouds and reaches the earth's surface
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rain
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drop of water
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drizzle
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rain smaller than 5 mm in diamter
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mist rain
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smaller than 5mm in diameter
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snow
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water vapor in clouds converted directly into ice crystals
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freezing rain
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rain drops that falls through cold air near the ground that does not freeze in the air but instead freezes on the ground
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sleet
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rain that falls through a layer of air below 0 degrees
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hail
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round pellets of ice larger than 5mm in diameter
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rain guage
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used to measure rain and snow
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10 cm of snow
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contains about the same amound of water as 1 cm of rain
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cloud seeding
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a method used by scientists to artificially create precipitation during droughts
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