[
  {
    "eccharts_layer": "mofc_z500_anomaly",
    "prefered_units" : "dam",
    "styles": [
      "sh_range_fm40t40"
    ],
    "match": [
      {
        "levelist": [
          "500"
        ],
        "paramId": "171129",
        "shortName": "za"
      },
      {
        "level": [
          "500"
        ],
        "long_name": "Geopotential anomaly"
      }
    ]
  }
]
