{
  "type": "Collection",
  "stac_version": "1.1.0",
  "stac_extensions": [
    "https://stac-extensions.github.io/forecast/v0.2.0/schema.json"
  ],
  "id": "gefsaero",
  "title": "NOAA GEFS-Aerosols 0.25°",
  "description": "The aerosol member of the NOAA Global Ensemble Forecast System (GEFS-Aerosols, the GOCART model coupled to the GFS) at 0.25°: aerosol optical depth at 550 nm, in total and by species, and the surface concentrations of fine and coarse particulate matter, three-hourly to 120 hours. Four cycles a day; only the newest is kept.",
  "license": "other",
  "keywords": [
    "weather",
    "forecast",
    "GEFS-AEROSOLS",
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  ],
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    {
      "name": "NOAA / NCEP",
      "roles": [
        "producer",
        "licensor"
      ],
      "url": "https://www.ncei.noaa.gov/"
    },
    {
      "name": "Xue",
      "roles": [
        "processor",
        "host"
      ],
      "url": "https://github.com/ringsaturn/xue"
    }
  ],
  "extent": {
    "spatial": {
      "bbox": [
        [
          -180.0,
          -90.0,
          180.0,
          90.0
        ]
      ]
    },
    "temporal": {
      "interval": [
        [
          "2026-09-24T12:00:00Z",
          "2026-09-29T12:00:00Z"
        ]
      ]
    }
  },
  "xue:pointer": "latest-gefsaero.json",
  "xue:live": "gefsaero.2026092412",
  "links": [
    {
      "rel": "root",
      "href": "../catalog.json",
      "type": "application/json"
    },
    {
      "rel": "parent",
      "href": "../catalog.json",
      "type": "application/json"
    },
    {
      "rel": "item",
      "href": "item.json",
      "type": "application/geo+json",
      "title": "NOAA GEFS-Aerosols 0.25° · 2026-09-24 12Z cycle"
    },
    {
      "rel": "latest-version",
      "href": "item.json",
      "type": "application/geo+json",
      "title": "NOAA GEFS-Aerosols 0.25° · 2026-09-24 12Z cycle"
    },
    {
      "rel": "alternate",
      "href": "../gefsaero.2026092412/item.json",
      "type": "application/geo+json",
      "title": "NOAA GEFS-Aerosols 0.25° · 2026-09-24 12Z cycle (beside its manifest; gone when the run is)"
    },
    {
      "rel": "xue:pointer",
      "href": "../latest-gefsaero.json",
      "type": "application/json",
      "title": "live pointer (schema v1)"
    },
    {
      "rel": "license",
      "href": "https://www.noaa.gov/information-technology/open-data-dissemination",
      "type": "text/html",
      "title": "NOAA open data dissemination"
    }
  ],
  "summaries": {
    "forecast:reference_datetime": [
      "2026-09-24T12:00:00Z"
    ]
  }
}