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cirrostratus
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Illustration showing ten cloud types at different altitudes above the ground: cirrus, cirrocumulus, and cirrostratus at high elevations; altocumulus and altostratus at mid-levels; nimbostratus, stratocumulus, stratus, cumulus, and the towering cumulonimbus clouds at lower to very high elevations, with a plane for scale.
Learn about the four main types of clouds formed at different altitudes
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cirrostratus

meteorology
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Illustration showing ten cloud types at different altitudes above the ground: cirrus, cirrocumulus, and cirrostratus at high elevations; altocumulus and altostratus at mid-levels; nimbostratus, stratocumulus, stratus, cumulus, and the towering cumulonimbus clouds at lower to very high elevations, with a plane for scale.
cloud types Different types of clouds form at different heights.

Cirrostratus clouds are a high-level, thin, and uniform cloud layer that can cover the entire sky. They are darker than cirrus clouds but lack the distinct ice crystal formations that give cirrus clouds their wispy appearance. Cirrostratus clouds are part of the broader classification of clouds based on altitude and formation processes. High clouds, like cirrostratus, form above 5 km (3 miles) and are composed of ice crystals due to the cold temperatures at these altitudes. Cloud formation, including cirrostratus, is a key part of the water cycle, beginning with moist air rising, expanding, and cooling to its dew point, causing water vapor to condense onto tiny particles.123

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4 Britannica Sources
  1. cirrostratus
  2. What Does a stratocumulus Cloud Look Like?
  3. How Do Clouds Form?
  4. climate - Cloud types

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