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Cirrostratus
Thin, veil-like high clouds, often producing halos.
Cirrostratus clouds are transparent, whitish veil clouds with a hair-like or smooth appearance. They are composed of ice crystals and are widespread, often covering the entire sky. They are known for producing halo phenomena around the sun or moon.
Formation
Formed by slowly rising air or when cirrus clouds spread out and join together. Often associated with approaching warm fronts.
Altitude
High (20,000 - 40,000 feet / 6,000 - 12,000 meters)
Precipitation
None.
Visual Characteristics
- Transparent, whitish veil.
- Smooth or fibrous appearance.
- Can cover the entire sky.
- Frequently produce halo phenomena around the sun or moon.
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