Clouds

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Clouds
Revised and edited by Tracy Sikes, Mount Bethel
Elementary
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How do clouds form?
When water vapor in the air becomes liquid water
or ice crystals.
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Condensation

• When the water vapor reaches the high cool air,
  it turns into water drops that form the clouds.
• This is condensation and is part of the water
  cycle.

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TYPES OF CLOUDS

• There are many types of clouds.
• Clouds are classified by
• 1. Their color
• 2. Their shape and size
• 3. Where they form in the atmosphere.

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STRATUS
Sheets of low, grey clouds that bring light snow,
rain, or drizzle.
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FOG
A cloud in contact with the ground. Fog is a type
of Stratus cloud.
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NIMBOSTRATUS
Thicker layer than stratus clouds that completely
block out the sun. They cause steady rain or
snow.
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CUMULUS
White and puffy clouds that usually mean good
weather.
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CUMULUS

• Cumulus clouds are fun to watch.
• People often see pictures in the sky made by
  Cumulus clouds.

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CUMULONIMBUS
Dark, towering clouds that are also called
thunderheads. These clouds produce heavy rain,
thunder, and lighting.
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CUMULONIMBUS

• Often referred to as Nimbus.

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CIRRUS
Thin, featherlike clouds that are made of ice
crystals high in the atmosphere. Usually means a
change in the weather is coming.
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CIRRUS CLOUDS
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What does the color of a cloud tell you?

• The color of a cloud lets you know how much water
  it contains.
• White clouds have little water.
• Dark clouds usually mean
• heavy rain.
• Grey clouds can mean
• snow or rain.

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Where do clouds form?

• Clouds form along weather fronts.