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High Level Clouds
cloud classifications
[Image: thickening cirrus and cirrostratus at sunset (65K)]
Photograph by:
Knupp
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High-Level Clouds
High-level clouds form above 20,000 feet (6,000 meters) and since the
temperatures are so cold at such high elevations, these clouds are
primarily composed of ice crystals.
High-level clouds are typically
thin and white in appearance,
but can appear in a magnificent array of colors
when the sun is low on the horizon. |
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