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Clouds : classification
Genera species Subspecies

Special forms

Cirrus spissatus cumulonimbogenitus

Spissatus (abbreviation: spi , lat. "Compacted, piled up") is a type of cloud . It is a visually relatively dense cirrus that often appears in spots , which can even appear gray when viewed against the sun. A spissatus often emerged from the blown ice umbrella of a cumulonimbus .

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