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