Three Types of Clouds - VA Science SOL 4.6
Cumulus clouds are fluffy and white with flat bottoms. They usually indicate fair weather.
Cirrus clouds are feathery clouds. They are associated with fair weather.
Cirrus clouds often indicate that rain or snow will fall within several hours.
Stratus clouds are smooth, gray clouds that cover the whole sky (block out direct sunlight). Light rain and drizzle are usually associated with stratus clouds.
Cumulonimbus Clouds - time lapse www.youtube.com Taken on May/20/2007

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