[
  {
    "eccharts_layer": "fzra",
    "prefered_units": "mm",
    "styles": [
      "sh_all_f05t100",
      "sh_red_f001t10",
      "ct_blk_f005t25"
    ],
    "match": [
      {
        "paramId": "228216",
        "shortName": "fzra"
      },
      {
        "long_name": "Accumulated freezing rain"
      }
    ]
  }
]