GRAPHICAL AIRMEN'S METEOROLOGICAL INFORMATION
Pilot/Controller Glossary with JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov
A graphical depiction of weather that may be hazardous to aircraft, but are less severe than SIGMETs. G-AIRMETS are issued 3 hours apart for a period of up to 12 hours into the future for the lower 48 states and coastal waters. The weather hazards depicted can be:
- Moderate turbulence
- Low‐level windshear
- Strong surface winds greater than 30 knots
- Moderate icing
- Freezing level
- Mountain obscuration
- IFR
See AIRMEN'S METEOROLOGICAL INFORMATION (AIRMET); CONVECTIVE SIGMET; CWA; SAW; SIGMET.
Refer to AIM.