[
  {
    "eccharts_layer": [
      "850vorticity",
      "300vorticity",
      "250vorticity"
    ],
    "prefered_units": "10**5/sec",
    "styles": [
      "sh_blured_fM50t50lst_cell",
      "sh_blured_fM50t50lst",
      "sh_blured_fM50t50lst_less",
      "sh_blu_fM50tM1lst",
      "sh_red_f1t50lst",
      "sh_viobrn_fM50t50lst_less",
      "ct_blured_fM5t50"
    ],
    "match": [
      {
        "levelist": [
          "850",
          "300",
          "250"
        ],
        "paramId": "138",
        "shortName": "vo"
      },
      {
        "level": [
          "850",
          "300",
          "250"
        ],
        "long_name": "Vorticity (relative)",
        "standard_name": "atmosphere_relative_vorticity"
      }
    ]
  }
]