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Caterwauling Charm

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The Harry Potter Canon

When an unauthorized person enters the target area while the effect is running, a caterwauling noise will be set off.

References from the canon

  • Hogsmeade was under a Caterwauling Charm that would go off if anyone moved around outside while curfew was in effect (DH28).

Commentary

Etymology

"caterwaul" Eng. to make a screaming noise like that of a cat during mating season

Pensieve (Comments)

Tags: loud noise protection security sounds yelling