About AMO

Forecast & Warnings

  • Aviation weather forecasts and warnings provide three-dimensional forecasts of the expected weather phenomena along the flight path of aircraft for safe and economical flight operations

  • Aerodrome Forecast(TAF)

    It is a forecast for the airport and provides weather elements such as wind direction, wind speed, visibility, weather(such as precipitation, fog, snow), and clouds.

  • Landing Forecast

    Forecast of significant weather changes within 2hours Presented in the METAR.

  • Take-off Forecast

    Forecast of expected wind directions, wind speed, temperature and air pressure on the runway within 3 hours.

  • Low-level area forecast

    A brief report to support AIRMET information, issued for operating flights below 10,000 ft (or up to 15,000 ft in mountainous areas or higher, where necessary) using internationally approved codes.

  • SIGMET Information

    As a MWO, AMO continuously monitors meteorological conditions for the Incheon Flight Information Region (FIR) and issues SIGMET information when there is an occurrence or expected occurrence of hazardous weather phenomena such as active thunderstorms, tropical cyclones, turbulence and icing which may adversely affect the safety of aircraft operation.

  • Aerodrome warnings

    An aerodrome warning is issued when a meteorological phenomena is observed or expected, which may affect aircraft taking off and landing at airports, airport ground facilities, and air navigation service.



  • Windshear warnings

    A windshear warning is issued when windshear is observed or expected, which may affect aircraft approaching or taking off and landing on runways at altitudes bellow 1,600ft (about 500m)

  • SIGMET(Significant Meteorological Information)

    SIGMET is issued when a meteorological phenomena are observed or expected, which may affect the aircraft operating in the Incheon FIR.

  • AIRMET(Airman’s Meteorological Information)

    AIRMET is issued when a meteorological phenomena is observed or expected, which may affect aircraft operating at low level of 10,000ft or less (approximately 3,000m).