{
  "@context": {
    "@version": 1.1,

    "schema": "https://schema.org/",
    "geo": "http://www.opengis.net/ont/geosparql#",
    "sosa": "http://www.w3.org/ns/sosa/",
    "ssn": "http://www.w3.org/ns/ssn/",
    "qudt": "http://qudt.org/schema/qudt/",
    "unit": "http://qudt.org/vocab/unit/",
    "time": "http://www.w3.org/2006/time#",
    "awc": "https://aviationweather.gov/ontology/",

    "id": "@id",
    "type": "@type",

    "GovernmentOrganization": "schema:GovernmentOrganization",
    "Dataset":                "schema:Dataset",
    "DataCatalog":            "schema:DataCatalog",
    "Place":                  "schema:Place",
    "GeoCoordinates":         "schema:GeoCoordinates",
    "Observation":            "sosa:Observation",
    "Sensor":                 "sosa:Sensor",
    "FeatureOfInterest":      "sosa:FeatureOfInterest",
    "ObservableProperty":     "sosa:ObservableProperty",

    "AviationWeatherCenter":  "awc:AviationWeatherCenter",
    "METAR":                  "awc:METAR",
    "TAF":                    "awc:TerminalAerodromeForecast",
    "PIREP":                  "awc:PilotReport",
    "AIRMET":                 "awc:AIRMET",
    "GAIRMET":                "awc:GraphicalAIRMET",
    "SIGMET":                 "awc:SIGMET",
    "InternationalSIGMET":    "awc:InternationalSIGMET",
    "ConvectiveSIGMET":       "awc:ConvectiveSIGMET",
    "CenterWeatherAdvisory":  "awc:CenterWeatherAdvisory",
    "ConvectiveForecast":     "awc:ConvectiveForecast",
    "AreaForecast":           "awc:AreaForecast",
    "ForecastDiscussion":     "awc:ForecastDiscussion",
    "MeteorologicalInformationStatement": "awc:MIS",
    "WindTempForecast":       "awc:WindTempForecast",
    "Station":                "awc:Station",
    "Airport":                "awc:Airport",
    "Runway":                 "awc:Runway",
    "Navaid":                 "awc:Navaid",
    "Fix":                    "awc:Fix",
    "Feature":                "awc:Feature",
    "Obstacle":               "awc:Obstacle",
    "FlightInformationRegion":"awc:FIR",
    "CWSU":                   "awc:CWSU",

    "icaoId":   { "@id": "awc:icaoId" },
    "iataId":   { "@id": "awc:iataId" },
    "faaId":    { "@id": "awc:faaId" },
    "wmoId":    { "@id": "awc:wmoId", "@type": "xsd:integer" },

    "obsTime":       { "@id": "sosa:resultTime",       "@type": "xsd:dateTime" },
    "receiptTime":   { "@id": "awc:receiptTime",       "@type": "xsd:dateTime" },
    "reportTime":    { "@id": "awc:reportTime",        "@type": "xsd:dateTime" },
    "issueTime":     { "@id": "awc:issueTime",         "@type": "xsd:dateTime" },
    "validTimeFrom": { "@id": "awc:validTimeFrom",     "@type": "xsd:dateTime" },
    "validTimeTo":   { "@id": "awc:validTimeTo",       "@type": "xsd:dateTime" },
    "bulletinTime":  { "@id": "awc:bulletinTime",      "@type": "xsd:dateTime" },

    "lat":  { "@id": "schema:latitude",  "@type": "xsd:decimal" },
    "lon":  { "@id": "schema:longitude", "@type": "xsd:decimal" },
    "elev": { "@id": "schema:elevation", "@type": "xsd:integer" },

    "temp":   { "@id": "awc:temperatureCelsius",  "@type": "xsd:decimal" },
    "dewp":   { "@id": "awc:dewpointCelsius",     "@type": "xsd:decimal" },
    "wdir":   { "@id": "awc:windDirectionDeg",    "@type": "xsd:integer" },
    "wspd":   { "@id": "awc:windSpeedKt",         "@type": "xsd:integer" },
    "wgst":   { "@id": "awc:windGustKt",          "@type": "xsd:integer" },
    "visib":  { "@id": "awc:visibilitySM" },
    "altim":  { "@id": "awc:altimeterHpa",        "@type": "xsd:decimal" },
    "slp":    { "@id": "awc:seaLevelPressureHpa", "@type": "xsd:decimal" },
    "wxString": { "@id": "awc:presentWeather" },
    "fltCat":   { "@id": "awc:flightCategory" },
    "vertVis":  { "@id": "awc:verticalVisibilityFt", "@type": "xsd:integer" },

    "clouds": { "@id": "awc:cloudLayers", "@container": "@list" },
    "fcsts":  { "@id": "awc:forecastPeriods", "@container": "@list" },

    "rawOb":       { "@id": "awc:rawObservation" },
    "rawTAF":      { "@id": "awc:rawTAF" },
    "rawAirSigmet":{ "@id": "awc:rawAirSigmet" },
    "rawSigmet":   { "@id": "awc:rawSigmet" },
    "rawAirmet":   { "@id": "awc:rawAirmet" },
    "rawCwa":      { "@id": "awc:rawCwa" },

    "hazard":   { "@id": "awc:hazardType" },
    "severity": { "@id": "awc:severity" },
    "product":  { "@id": "awc:productCode" },
    "fcstHour": { "@id": "awc:forecastHour", "@type": "xsd:integer" },

    "name":     "schema:name",
    "site":     "schema:name",
    "state":    "schema:addressRegion",
    "country":  "schema:addressCountry",

    "runways":  { "@id": "awc:runway", "@container": "@list" },
    "freqs":    { "@id": "awc:frequencies" },

    "operatedBy": {
      "@type": "@id",
      "@id":   "schema:provider"
    }
  }
}