Earth:Cumulonimbus capillatus

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Cumulonimbus capillatus
Big Cumulonimbus.JPG
Cumulonimbus Capillatus
AbbreviationCb cap.
SymbolClouds CL 9.svg
GenusCumulonimbus (heap, rain)
SpeciesCapillatus (Having hair)
VarietyNone
AltitudeGround to 23,000 m
(75,000 ft)
ClassificationFamily D (Vertically developed)
AppearanceDark-based storm cloud capable of impressive vertical growth with a fibrous upper portion.
Precipitation cloud?Very common Rain, Snow, Snow pellets or Hail, heavy at times

A Cumulonimbus capillatus (Latin Capillatus, "hair") is a cumulonimbus cloud with dense cirrus clouds which makes the cloud's top appear to contain hair-like structures. It is an intermediate stage between cumulonimbus calvus and cumulonimbus incus.

Hazards

A Cumulonimbus Capillatus is a mature and powerful cumulonimbus cloud and can produce multiple severe weather.

  • Lightning; this is a strong thunderstorm cloud and it is capable of producing bursts of cloud to ground and cloud to cloud lightning.
  • Hail; hailstones may fall from this cloud if it is in a highly unstable environment (which favors a more vigorous storm updraft).
  • Heavy rain; the cloud may drop several inches of rain in a short amount of time. This can cause flash flooding.
  • Strong wind; gale-force winds from a downburst may occur under this cloud.