netcdf files/g/d093002/timeseries/pgbh01.gdas.VW_SH.PVL.grb2 {
  dimensions:
    lon = 720;
    lat = 361;
    time = 384;
    potential_vorticity_surface = 2;
  variables:
    int LatLon_Projection;
      :grid_mapping_name = "latitude_longitude";
      :earth_radius = 6371229.0; // double

    float lat(lat=361);
      :units = "degrees_north";

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

    double time(time=384);
      :units = "Hour since 1979-01-01T00:00:00Z";
      :standard_name = "time";
      :long_name = "GRIB forecast or observation time";
      :calendar = "proleptic_gregorian";
      :bounds = "time_bounds";

    double time_bounds(time=384, 2);
      :units = "Hour since 1979-01-01T00:00:00Z";
      :long_name = "bounds for time";

    double reftime(time=384);
      :standard_name = "forecast_reference_time";
      :long_name = "GRIB reference time";
      :calendar = "proleptic_gregorian";
      :units = "Hour since 1979-01-01T00:00:00Z";

    float potential_vorticity_surface(potential_vorticity_surface=2);
      :units = "K m2 kg-1 s-1";
      :long_name = "Potential vorticity surface";
      :positive = "up";
      :Grib_level_type = 109; // int

    float Vertical_Speed_Shear_potential_vorticity_surface_Mixed_intervals_AverageNforecasts(time=384, potential_vorticity_surface=2, lat=361, lon=720);
      :long_name = "Vertical Speed Shear (Mixed_intervals AverageNforecasts) @ Potential vorticity surface";
      :units = "s-1";
      :abbreviation = "VWSH";
      :missing_value = NaNf; // float
      :grid_mapping = "LatLon_Projection";
      :coordinates = "reftime time potential_vorticity_surface lat lon ";
      :Grib_Statistical_Interval_Type = "Average";
      :Grib_Variable_Id = "VAR_0-2-192_L109_Imixed_S193";
      :Grib2_Parameter = 0, 2, 192; // int
      :Grib2_Parameter_Discipline = "Meteorological products";
      :Grib2_Parameter_Category = "Momentum";
      :Grib2_Parameter_Name = "Vertical Speed Shear";
      :Grib2_Level_Type = 109; // int
      :Grib2_Level_Desc = "Potential vorticity surface";
      :Grib2_Generating_Process_Type = "Forecast";
      :Grib2_Statistical_Process_Type = "Average of N forecasts (or initialized analyses); each product has forecast period of P1 (P1=0 for initialized analyses); products have reference times at intervals of P2, beginning at the given reference time.";

  // global attributes:
  :Originating_or_generating_Center = "US National Weather Service, National Centres for Environmental Prediction (NCEP)";
  :Originating_or_generating_Subcenter = "0";
  :GRIB_table_version = "2,1";
  :Type_of_generating_process = "Forecast";
  :Analysis_or_forecast_generating_process_identifier_defined_by_originating_centre = "Analysis from GDAS (Global Data Assimilation System)";
  :file_format = "GRIB-2";
  :Conventions = "CF-1.6";
  :history = "Read using CDM IOSP GribCollection v3";
  :featureType = "GRID";
}