Graphical airmen's meteorological information

{
  "id": "MLC-T-AVN-000451",
  "term": "Graphical airmen's meteorological information",
  "field": "Aviation and air traffic control",
  "definition": "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:\n\na. Moderate turbulence\n\nb. Low-level windshear\n\nc. Strong surface winds greater than 30 knots\n\nd. Moderate icing\n\ne. Freezing level\n\nf. Mountain obscuration\n\ng. IFR",
  "see_also": [
    "Airmen's meteorological information (AIRMET)",
    "Convective SIGMET",
    "CWA",
    "SAW",
    "SIGMET"
  ],
  "references": [
    "AIM",
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/graphical-airmen-s-meteorological-information/"
}