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Clouds Earth Science Grade 8
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Weather The current state of the atmosphere
Can change from minute to minute National Weather is updated every three hours
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Climate Average weather over 30 years
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Cloud Formation Moist air is cooled to its dew point
Moisture condenses around dust particles Millions of particles form together to make one big cloud
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Water Cycle or Cloud Formation
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Based on their Shape and Height
Cloud Types Based on their Shape and Height
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Shape Puffy: cumulus Layered: Stratus
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Height Low Clouds: no prefix Middle Clouds: alto- High Clouds: cirro-
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To name a cloud….you put the height and the shape together
Low, puffy clouds: cumulus Low, layered clouds: stratus Middle, layered clouds: Middle, puffy clouds: High, layered: High, puffy clouds:
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Low Clouds: Stratus Clouds
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Low Cloud: Cumulus clouds
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Low cloud: Stratocumulus (layered and puffy)
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To name a cloud….you put the height and the shape together
Low, puffy clouds: cumulus Low, layered clouds: stratus Middle, layered clouds: altostratus Middle, puffy clouds: altocumulus High, layered: High, puffy clouds:
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Middle Clouds: Altostratus
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Middle Clouds: Altocumulus
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To name a cloud….you put the height and the shape together
Low, puffy clouds: cumulus Low, layered clouds: stratus Middle, layered clouds: altostratus Middle, puffy clouds: altocumulus High, layered: cirrostratus High, puffy clouds: cirrocumulus
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High Clouds: Cirrostratus
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High Cloud: Cirrocumulus
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High Cloud: Cirrus (special case)
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Rain Clouds (nimbo- or –nimbus)
Rainy puffy clouds: cumulonimbus Rainy layered clouds: nimbostratus nimbostratus cumulonimbus
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Precipitation Rain Snow Sleet Hail
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Rain: Precipitation that comes down when the temps are above 32o F
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Snow: Precipitation that comes down when the temps are below 32o F
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Sleet: Starts as snow, melts , then refreezes on the way down
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Hail: forms only during severe thunderstorms
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