netcdf ncep/rtma/202412/202412_rtma_temp.grb2 {
  dimensions:
    x = 420;
    y = 370;
    time = 742;
    height_above_ground = 1;
  variables:
    int LambertConformal_Projection;
      :grid_mapping_name = "lambert_conformal_conic";
      :latitude_of_projection_origin = 25.0; // double
      :longitude_of_central_meridian = 265.0; // double
      :standard_parallel = 25.0; // double
      :earth_radius = 6371200.0; // double

    float x(x=420);
      :standard_name = "projection_x_coordinate";
      :units = "km";

    float y(y=370);
      :standard_name = "projection_y_coordinate";
      :units = "km";

    double time(time=742);
      :units = "Hour since 2024-12-01T00:00:00Z";
      :standard_name = "time";
      :long_name = "GRIB forecast or observation time";
      :calendar = "proleptic_gregorian";

    double reftime(time=742);
      :standard_name = "forecast_reference_time";
      :long_name = "GRIB reference time";
      :calendar = "proleptic_gregorian";
      :units = "Hour since 2024-12-01T00:00:00Z";

    float height_above_ground(height_above_ground=1);
      :units = "m";
      :long_name = "Specified height level above ground";
      :positive = "up";
      :Grib_level_type = 103; // int
      :datum = "ground";

    float Temperature_height_above_ground(time=742, height_above_ground=1, y=370, x=420);
      :long_name = "Temperature @ Specified height level above ground";
      :units = "K";
      :abbreviation = "TMP";
      :missing_value = NaNf; // float
      :grid_mapping = "LambertConformal_Projection";
      :coordinates = "reftime time height_above_ground y x ";
      :Grib_Variable_Id = "VAR_0-0-0_L103";
      :Grib2_Parameter = 0, 0, 0; // int
      :Grib2_Parameter_Discipline = "Meteorological products";
      :Grib2_Parameter_Category = "Temperature";
      :Grib2_Parameter_Name = "Temperature";
      :Grib2_Level_Type = 103; // int
      :Grib2_Level_Desc = "Specified height level above ground";
      :Grib2_Generating_Process_Type = "Analysis";
      :Grib2_Statistical_Process_Type = "UnknownStatType--1";

  // 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 = "1,1";
  :Type_of_generating_process = "Analysis";
  :Analysis_or_forecast_generating_process_identifier_defined_by_originating_centre = "RTMA (Real Time Mesoscale Analysis)";
  :file_format = "GRIB-2";
  :Conventions = "CF-1.6";
  :history = "Read using CDM IOSP GribCollection v3";
  :featureType = "GRID";
}