{
    "id":"tac_advisory_reports",
    "title":"Advisory Reports in TAC Format",
    "description":"Previous 36 Hours of TAC Advisory Reports",
    "keywords":[
        "Volcanic Ash Advisory (VAA)",
        "Tropical Cyclone Advisory (TCA)",
        "Space Weather Advisory (SWA)",
        "Nuclear Emergency Message (NEM)",
        "Notice to Airmen (NOTAM)",
        "Special Notice to Airmen (ASHTAM)",
        "ICAO - International Civil Aviation Authority"
    ],
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                    -90,
                    180,
                    90
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            ],
            "crs":"http://www.opengis.net/def/crs/OGC/1.3/CRS84"
        },
        "temporal":{
            "interval":[
                [
                    null,
                    null
                ]
            ]
        }
    },
    "parameter-names":{
        "SWA":{
            "id":"Space Weather Advisory",
            "type":"Parameter",
            "description":"Information on Space Weather hazards initially issued by the Met Office Space Weather Center and NOAA Space Weather Prediction Center, in the form of Space Weather Advisory (SWA) messages in a standardised format, as defined by the ICAO Annex 3.",
            "observedProperty":{
                "id":"A formal definition is not available",
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            "description":"Information on volcanic ash is initially issued by Volcanic Ash Advisory Centres (VAACs), in the form of Volcanic Ash Advisory (VAA) messages in a standardised format, as defined by the ICAO Annex 3.",
            "observedProperty":{
                "id":"A formal definition is not available",
                "label":"Volcanic Ash Advisory"
            }
        },
        "TCA":{
            "id":"Tropical Cyclone Advisory",
            "type":"Parameter",
            "description":"Information on Tropical Cyclones is initially issued by Worldwide Tropical Cyclone Warning Centres (TCWCs), in the form of Tropical Cyclone Advisory (TCA) messages in a standardised format, as defined by the ICAO Annex 3.",
            "observedProperty":{
                "id":"A formal definition is not available",
                "label":"Tropical Cyclone Advisory"
            }
        },
        "NEM":{
            "id":"Nuclear Emergency Message",
            "type":"Parameter",
            "description":"Information on Radiation Emission hazards initially issued by Meteorological Watch Office, in the form of Nuclear Emergency Messages (NEM) in a standardised format, as defined by the ICAO Annex 3.",
            "observedProperty":{
                "id":"A formal definition is not available",
                "label":"Nuclear Emergency Message"
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        "NOTAM":{
            "id":"NOTAM",
            "type":"Parameter",
            "description":"NOTAM (Notice to Airmen) indicating a range of hazards significant to aircraft operations, as defined by the ICAO Annex 3.",
            "observedProperty":{
                "id":"A formal definition is not available",
                "label":"NOTAM"
            }
        },
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            "id":"ASHTAM",
            "type":"Parameter",
            "description":"A special NOTAM (Notice to Airmen) indicating changes in activity of a volcano and volcanic ash cloud significant to aircraft operations, as defined by the ICAO Annex 3.",
            "observedProperty":{
                "id":"A formal definition is not available",
                "label":"ASHTAM"
            }
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        "EPSG:4326"
    ],
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                "href":"https://aviationweather.gov/wifs/api/collections/tac_advisory_reports/locations?f=json",
                "rel":"data",
                "type":"application/geo+json",
                "title":"Locations metadata",
                "hreflang":"en",
                "variables":{
                    "title":"locations query",
                    "description":"locations query for this collection as JSON",
                    "query_type":"locations",
                    "output_formats":"tac",
                    "crs_details":[
                        {
                            "crs":"EPSG:4326",
                            "wkt":"GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]]"
                        }
                    ]
                }
            }
        }
    },
    "output_formats":[
        "tac"
    ]
}