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Cumulonimbus capillatus (Cb cap) - CEN 1926


Cumulonimbus where the upper portion has cirriform parts of clearly fibrous or striated structure, frequently in the shape of an anvil (Cumulonimbus capillatus incus), a plume or a vast disorderly mass of hair. In very cold air masses, the fibrous structure often extends virtually throughout the cloud.

Cumulonimbus capillatus is usually accompanied by a shower or by a thunderstorm, often with wind squalls and sometimes with hail; it frequently produces very distinct virga.

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