{
  "event_key": "mayfield",
  "event_name": "Mayfield EF4 Tornado",
  "description": "Long-track EF4 tornado devastating Mayfield, KY",
  "category": "tornado",
  "date": "2021-12-11",
  "location": "Mayfield, KY",
  "domain": "d03",
  "resolution_m": 250,
  "grid_shape": [
    800,
    800
  ],
  "n_timesteps": 22,
  "times": [
    "2021-12-11T03:00:00",
    "2021-12-11T03:15:00",
    "2021-12-11T03:30:00",
    "2021-12-11T03:45:00",
    "2021-12-11T04:00:00",
    "2021-12-11T04:15:00",
    "2021-12-11T04:30:00",
    "2021-12-11T04:45:00",
    "2021-12-11T05:00:00",
    "2021-12-11T05:15:00",
    "2021-12-11T05:30:00",
    "2021-12-11T05:45:00",
    "2021-12-11T06:00:00",
    "2021-12-11T06:15:00",
    "2021-12-11T06:30:00",
    "2021-12-11T06:45:00",
    "2021-12-11T07:00:00",
    "2021-12-11T07:15:00",
    "2021-12-11T07:30:00",
    "2021-12-11T07:45:00",
    "2021-12-11T08:00:00",
    "2021-12-11T08:15:00"
  ],
  "time_step_seconds": 900.0,
  "fields": {
    "t2m": {
      "long_name": "2m Temperature",
      "units": "degC"
    },
    "u10": {
      "long_name": "10m U-wind",
      "units": "m/s"
    },
    "v10": {
      "long_name": "10m V-wind",
      "units": "m/s"
    },
    "wind_speed_10m": {
      "long_name": "10m Wind Speed",
      "units": "m/s",
      "derived": "sqrt(u10^2 + v10^2)"
    },
    "wind_direction_10m": {
      "long_name": "10m Wind Direction",
      "units": "degrees",
      "derived": "atan2(-u10, -v10), meteorological convention"
    },
    "surface_pressure": {
      "long_name": "Surface Pressure",
      "units": "hPa"
    },
    "pblh": {
      "long_name": "PBL Height",
      "units": "m"
    },
    "hfx": {
      "long_name": "Sensible Heat Flux",
      "units": "W/m2"
    },
    "lh": {
      "long_name": "Latent Heat Flux",
      "units": "W/m2"
    },
    "rain_rate": {
      "long_name": "Rain Rate",
      "units": "mm/hr",
      "derived": "forward difference of accumulated RAINNC"
    },
    "refc": {
      "long_name": "Composite Reflectivity",
      "units": "dBZ",
      "derived": "column max of REFL_10CM"
    },
    "wspd10max": {
      "long_name": "Max 10m Wind Speed (accumulated)",
      "units": "m/s"
    },
    "w_up_max": {
      "long_name": "Max Updraft (accumulated)",
      "units": "m/s"
    },
    "w_dn_max": {
      "long_name": "Max Downdraft (accumulated)",
      "units": "m/s"
    },
    "updraft_helicity": {
      "long_name": "Max Updraft Helicity (accumulated)",
      "units": "m2/s2"
    },
    "hail_max": {
      "long_name": "Max Hail Size (accumulated)",
      "units": "mm"
    }
  },
  "data_format": "npz",
  "dtype": "float32",
  "coordinate_system": "WRF Lambert Conformal, see coords.npz for XLAT/XLONG",
  "source": "wrfout_d03 (instantaneous) + auxhist2_d03 (MAX fields)",
  "init_time": "2021-12-11T00:00:00Z"
}