SIGMET

noun SIG·MET
variants: or less commonly sigmet play \ˈsig-ˌmet\

Definition of SIGMET

plural SIGMETs also sigmets
: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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Origin and Etymology of sigmet

significant meteorological information


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to suppress quietly or indirectly

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