fallstreak hole

English

Noun

fallstreak hole (plural fallstreak holes)

  1. (meteorology) A large gap, usually circular or elliptical, that can appear in cirrocumulus or altocumulus clouds as a result of the Wegener-Bergeron-Findeisen process.
    Synonyms: cavum, cloud canal, cloud hole, hole punch cloud, punch hole cloud, skypunch
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