Questions and Answers
How are clouds classified?
They are classified by their height and shape.
What are the 4 basic types of clouds according to shape?
Stratus, cumulus, cirrus, and nimbus.
What are the four levels of cloud heights?
Cirro, alto, strato, and nimbo.
List the 10 cloud types according to their heights.
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Why do some clouds have names such as cumulonimbus and cirrostratus?
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How do clouds form?
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What factors cause the shape and height of clouds to vary?
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What are stratus clouds?
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What are cumulus clouds?
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What are cirrus clouds?
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What is the height of cirro clouds?
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What is the height of alto clouds?
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What is the height of strato clouds?
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What are nimbo clouds?
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What is precipitation?
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What determines whether the droplets will form rain, snow, sleet, or freezing rain?
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What is hail?
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What is weather?
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What conditions help determine weather?
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What does the sun's heat do to water?
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What is temperature a measure of?
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When the sun's energy causes air molecules to move rapidly, what happens to the temperature?
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What happens when less of the sun's energy reaches air molecules?
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What is wind?
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What happens when the sun heats air?
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Describe cooler air.
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How does air move?
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What is humidity?
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What is relative humidity?
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What happens to relative humidity when the air cools?
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What is dewpoint?
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Study Notes
Cloud Classification
- Clouds are classified based on height and shape.
- Four basic types of clouds based on shape:
- Stratus: Featureless sheets of clouds.
- Cumulus: Puffy, lumpy clouds.
- Cirrus: Wispy, stringy clouds.
- Nimbus: Low, gray rain clouds.
Cloud Heights
- Four levels of cloud heights:
- Cirro: Bases start above 6000 m.
- Alto: Bases between 2000-6000 m.
- Strato: Below 2000 m.
- Nimbo: Low elevation, dark and water-saturated.
Types of Clouds by Height
- Common cloud types include:
- Cirrus
- Cirrocumulus
- Cirrostratus
- Altocumulus
- Altostratus
- Cumulonimbus
- Stratus
- Cumulus
Cloud Nomenclature
- Cloud names like cumulonimbus and cirrostratus describe their characteristics.
- Cumulonimbus: Associated with thunderstorms, can reach nearly 15,000 m, linked to extreme weather (lightning, thunder).
- Cirrostratus: Thin, sheetlike clouds that form ahead of storms.
Formation of Clouds
- Clouds form when warm air rises and cools, leading to water vapor condensing into tiny droplets.
Factors Influencing Cloud Characteristics
- Cloud shape and height vary with temperature, pressure, and atmospheric water vapor.
Characteristics of Specific Clouds
- Stratus: Smooth sheets at low altitudes.
- Cumulus: Puffy, often with flat bases.
- Cirrus: High, thin, feathery clouds made of ice crystals.
Precipitation
- Precipitation occurs when water droplets in clouds grow large enough to fall to Earth.
- Types of precipitation (rain, snow, sleet, freezing rain) are determined by air temperature.
Characteristics of Wind and Air Movement
- Wind is air movement in a specific direction, caused by temperature differences and atmospheric pressure.
- Cooler air is denser and sinks, resulting in high pressure; warmer air expands, rises, and creates low pressure.
Humidity
- Humidity measures the amount of water vapor in the air; warmer air holds more water vapor.
- Relative humidity compares the current amount of water vapor in the air to the maximum it can hold at a specific temperature.
Dewpoint
- Dewpoint is the temperature at which air is saturated and moisture condenses into liquid or forms ice crystals.
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Description
Explore the fascinating world of clouds with these flashcards. Learn how clouds are classified by their height and shape, and discover the four basic types of clouds. This quiz is perfect for anyone looking to deepen their understanding of weather phenomena.