SIGMET

noun
SIG·MET
variants: or less commonly sigmet \ˈsig-ˌmet \
plural SIGMETs also sigmets

Definition of SIGMET 

: a notice of significant hazardous weather conditions (such as extreme turbulence, icing, or poor visibility) in a large area that is provided to the pilot of an aircraft before takeoff — compare airmet

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History and Etymology for SIGMET

significant meteorological information

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Dictionary Entries near SIGMET

sigmate

sigmatic

sigmation

SIGMET

Sigmodon

sigmodont

Sigmodontes

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