Aviation Dictionary

SIGMET

The acronym for Significant Meteorological information. A weather advisory in abbreviated plain language concerning the occurrence or expected occurrence of potentially hazardous en route weather phenomena that may affe...

Dictionary Term

SIGMET

Definition

The acronym for Significant Meteorological information. A weather advisory in abbreviated plain language concerning the occurrence or expected occurrence of potentially hazardous en route weather phenomena that may affect the safety of aircraft opera

References

Pilot's Handbook of Aeronautical Knowledge, Federal Aviation Administration, 2023