netcdf files/g/d093001/1979/ocndt20c.gdas.197906.grb2 {
  dimensions:
    lon = 720;
    lat = 360;
    time = 720;
    ocean_isotherm = 1;
  variables:
    int LatLon_Projection;
      :grid_mapping_name = "latitude_longitude";
      :earth_radius = 6371229.0; // double

    float lat(lat=360);
      :units = "degrees_north";

    float lon(lon=720);
      :units = "degrees_east";

    double time(time=720);
      :units = "Hour since 1979-06-01T00:00:00Z";
      :standard_name = "time";
      :long_name = "GRIB forecast or observation time";
      :calendar = "proleptic_gregorian";
      :bounds = "time_bounds";

    double time_bounds(time=720, 2);
      :units = "Hour since 1979-06-01T00:00:00Z";
      :long_name = "bounds for time";

    double reftime(time=720);
      :standard_name = "forecast_reference_time";
      :long_name = "GRIB reference time";
      :calendar = "proleptic_gregorian";
      :units = "Hour since 1979-06-01T00:00:00Z";

    float ocean_isotherm(ocean_isotherm=1);
      :units = "0.1 C";
      :long_name = "Ocean isotherm level";
      :positive = "up";
      :Grib_level_type = 235; // int

    float Geometric_Depth_Below_Sea_Surface_ocean_isotherm_1_Hour_Average(time=720, ocean_isotherm=1, lat=360, lon=720);
      :long_name = "Geometric Depth Below Sea Surface (1_Hour Average) @ Ocean isotherm level";
      :units = "m";
      :abbreviation = "DBSS";
      :missing_value = NaNf; // float
      :grid_mapping = "LatLon_Projection";
      :coordinates = "reftime time ocean_isotherm lat lon ";
      :Grib_Statistical_Interval_Type = "Average";
      :Grib_Variable_Id = "VAR_10-4-195_L235_I1_Hour_S0";
      :Grib2_Parameter = 10, 4, 195; // int
      :Grib2_Parameter_Discipline = "Oceanographic products";
      :Grib2_Parameter_Category = "Sub-surface Properties";
      :Grib2_Parameter_Name = "Geometric Depth Below Sea Surface";
      :Grib2_Level_Type = 235; // int
      :Grib2_Level_Desc = "Ocean isotherm level";
      :Grib2_Generating_Process_Type = "Forecast";
      :Grib2_Statistical_Process_Type = "Average";

  // global attributes:
  :Originating_or_generating_Center = "US National Weather Service, National Centres for Environmental Prediction (NCEP)";
  :Originating_or_generating_Subcenter = "Environmental Modeling Center";
  :GRIB_table_version = "2,1";
  :Type_of_generating_process = "Forecast";
  :Analysis_or_forecast_generating_process_identifier_defined_by_originating_centre = "Climate Forecast System Model -- Atmospheric model (GFS) coupled to a multi level ocean model . Currently GFS spectral model at T62, 64 levels coupled to 40 level MOM3 ocean model.";
  :file_format = "GRIB-2";
  :Conventions = "CF-1.6";
  :history = "Read using CDM IOSP GribCollection v3";
  :featureType = "GRID";
}