METAR/SPECI, TAF, SIGMET
Aerodrome Routine Meteorological Report (METAR) and Aerodrome Special Meteorological Report (SPECI) are encoded according to the WMO/ICAO MET schema.
The contents are compliant to Annex 3, Chapter 4 and Appendix 3, this includes Trend-Type Forecast.
Aerodrome Forecast (TAF) is encoded according to the WMO IWXXM/TAF XML/GML schema.
The content is compliant to Annex 3, Chapter 6 and Appendix 5, which includes different periods of validity.
Information concerning en-route weather phenomena which may affect the safety of aircraft operations (SIGMET) is encoded according to the WMO/ICAO MET schema.
The content is compliant to Annex 3, Chapter 7 and Appendix 6, which includes phenomena reporting of Volcanic Ash (VA), Tropical Cyclone (TC), and Significant Meteorological Information (WS).