{
  "type": "Collection",
  "stac_version": "1.1.0",
  "stac_extensions": [],
  "id": "cma",
  "title": "CMA radar mosaic",
  "description": "The China Meteorological Administration level-3 composite reflectivity mosaic (RADAR_L3_MST_CREF) over China: a national composite every six minutes, decoded from the agency's data portal tiles onto the portal's plate carrée grid at 0.0439° (1792 × 1024 cells, 67.5°E–146.25°E, 11.25°N–56.25°N) and published under cref, as a rolling window rebuilt every few minutes. Source: China Meteorological Administration, National Meteorological Centre (www.nmc.cn).",
  "license": "other",
  "keywords": [
    "weather",
    "observation",
    "CMA-RADAR",
    "zarr"
  ],
  "providers": [
    {
      "name": "China Meteorological Administration",
      "roles": [
        "producer",
        "licensor"
      ],
      "url": "https://www.nmc.cn"
    },
    {
      "name": "Xue",
      "roles": [
        "processor",
        "host"
      ],
      "url": "https://github.com/ringsaturn/xue"
    }
  ],
  "extent": {
    "spatial": {
      "bbox": [
        [
          67.521973,
          11.315918,
          146.184082,
          56.228027
        ]
      ]
    },
    "temporal": {
      "interval": [
        [
          "2026-09-24T18:00:00Z",
          "2026-09-24T20:00:00Z"
        ]
      ]
    }
  },
  "xue:pointer": "latest-cma.json",
  "xue:live": "cma.2026092418.2023",
  "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": "CMA radar mosaic · window from 2026-09-24 18:00Z"
    },
    {
      "rel": "latest-version",
      "href": "item.json",
      "type": "application/geo+json",
      "title": "CMA radar mosaic · window from 2026-09-24 18:00Z"
    },
    {
      "rel": "alternate",
      "href": "../cma.2026092418/2023/item.json",
      "type": "application/geo+json",
      "title": "CMA radar mosaic · window from 2026-09-24 18:00Z (beside its manifest; gone when the run is)"
    },
    {
      "rel": "xue:pointer",
      "href": "../latest-cma.json",
      "type": "application/json",
      "title": "live pointer (schema v1)"
    }
  ]
}