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Cumulonimbus with an incus (anvil) cloud as a supplementary feature From Wikipedia, the free encyclopedia
A cumulonimbus incus (from Latin incus 'anvil'), also called an anvil cloud, is a cumulonimbus cloud that has reached the level of stratospheric stability and has formed the characteristic flat, anvil-shaped top.[1] It signifies a thunderstorm in its mature stage, succeeding the cumulonimbus calvus stage.[2] Cumulonimbus incus is a subtype of cumulonimbus capillatus. These clouds are commonly associated with severe weather, including heavy rain, downbursts, and occasionally a tornado.
Cumulonimbus incus | |
---|---|
Abbreviation | Cb inc. |
Symbol | |
Genus | Cumulonimbus (heap, cloud/severe rain) |
Species | Capillatus (Having hair) |
Variety | None |
Altitude | Ground to 23,000 m (75,000 ft) |
Classification | Family C (Low-level) |
Appearance | Large flat-top cloud |
Precipitation | Very common rain, snow, snow pellets or hail, heavy at times |
A cumulonimbus incus is a mature thunderstorm cloud generating many dangerous elements.
Cumulonimbus clouds can be powerful. If the correct atmospheric conditions are met, they can grow into a supercell storm. This cloud may be a single-cell thunderstorm or one cell in a multicellular thunderstorm. They are capable of producing severe storm conditions for a short amount of time.
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