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  1. Cirrus cloud - Wikipedia

    In the Earth's atmosphere, cirrus are usually formed when warm, dry air rises, causing water vapor deposition onto mineral dust and metallic particles at high altitudes.

  2. Cirrus Clouds: High, Wispy Streaks | WhatsThisCloud

    Learn all about cirrus clouds, including cirrus cloud description and facts, images, how to best identify them, and their species, varieties, and features.

  3. Cirrus clouds: formation, characteristics, and their impact ...

    Learn all about cirrus clouds: formation, characteristics, and their role in climate change and weather forecasting.

  4. Types of Clouds Explained: Visual Guide & Facts (2026)

    Nov 22, 2024 · Discover the 4 main types of clouds: cumulus, stratus, cirrus, and nimbus. Learn their appearances, weather associations, fun facts, and how to identify them for better forecasting.

  5. Cirrus clouds: overview and weather prediction - ZME Science

    Jul 25, 2023 · Cirrus clouds are thin, delicate types of clouds found at high altitudes, typically above 20,000 feet (6,000 meters). They are composed of tiny ice crystals and form in the upper troposphere,...

  6. Cirrus (Ci) - International Cloud Atlas

    Detached clouds in the form of white, delicate filaments or white or mostly white patches or narrow bands. These clouds have a fibrous (hair-like) appearance, or a silky sheen, or both.

  7. What Causes Cirrus Clouds to Form in the Sky?

    Dec 5, 2025 · The visible, wispy appearance of cirrus clouds is a direct result of these small, multifaceted ice crystals. When sunlight or moonlight passes through the hexagonal crystals, it is …

  8. Cirrus: What are, how are they formed, classification and ...

    Mar 18, 2025 · Cirrus are a type of cloud that is formed in the upper layers of the atmosphere, usually above 6,000 meters, and are mainly composed of ice crystals. There are numerous types of cirrus …

  9. Cirrus clouds are clouds that have high appearance in the atmosphere. In midlatitudes, it has been conventionally classified that clouds with base heights above about 6 km are designated as high …

  10. Cirrus Clouds - Center for Science Education

    Cirrus clouds are made of ice crystals and look like long, thin, wispy white streamers high in the sky. They are commonly known as "mare's tails" because they are shaped like the tail of a horse. Cirrus …