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SIGMET

Pilot/Controller Glossary with JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov

A weather advisory issued concerning weather significant to the safety of all aircraft. SIGMET advisories cover severe and extreme turbulence, severe icing, and widespread dust or sandstorms that reduce visibility to less than 3 miles.

See AIRMEN'S METEOROLOGICAL INFORMATION (AIRMET); CONVECTIVE SIGMET; CWA; GRAPHICAL AIRMEN'S METEOROLOGICAL INFORMATION; SIGMET INFORMATION ICAO; SAW.

Refer to AIM.

In the 7110.65

Used in 2 paragraphs of JO 7110.65BB.

  1. 1-2-6Abbreviations
  2. 2-6-6Hazardous Inflight Weather Advisory