netcdf files/d090000/2D/2008/VVELsig.995.0802 {
  dimensions:
    lon = 144;
    lat = 73;
    time = 116;
    sigma = 1;
  variables:
    int LatLon_Projection;
      :grid_mapping_name = "latitude_longitude";
      :earth_radius = 6367470.0; // double

    float lat(lat=73);
      :units = "degrees_north";

    float lon(lon=144);
      :units = "degrees_east";

    double time(time=116);
      :units = "Hour since 2008-02-01T00:00:00Z";
      :standard_name = "time";
      :long_name = "GRIB forecast or observation time";
      :calendar = "proleptic_gregorian";

    double reftime(time=116);
      :standard_name = "forecast_reference_time";
      :long_name = "GRIB reference time";
      :calendar = "proleptic_gregorian";
      :units = "Hour since 2008-02-01T00:00:00Z";

    float sigma(sigma=1);
      :units = "sigma";
      :long_name = "Sigma level";
      :positive = "down";
      :Grib_level_type = 107; // int

    float Pressure_vertical_velocity_sigma(time=116, sigma=1, lat=73, lon=144);
      :long_name = "Pressure vertical velocity @ Sigma level";
      :units = "Pa s^-1";
      :description = "Vertical velocity pressure";
      :missing_value = NaNf; // float
      :grid_mapping = "LatLon_Projection";
      :coordinates = "reftime time sigma lat lon ";
      :Grib_Variable_Id = "VAR_7-1-2-39_L107";
      :Grib1_Center = 7; // int
      :Grib1_Subcenter = 1; // int
      :Grib1_TableVersion = 2; // int
      :Grib1_Parameter = 39; // int
      :Grib1_Parameter_Name = "VVEL";
      :Grib1_Level_Type = 107; // int
      :Grib1_Level_Desc = "Sigma level";
      :Grib1_Interval_Type = -1; // int
      :Grib1_Interval_Name = "Unknown Time Range Indicator -1";

  // global attributes:
  :Originating_or_generating_Center = "US National Weather Service, National Centres for Environmental Prediction (NCEP)";
  :Originating_or_generating_Subcenter = "NCEP Reanalysis Project";
  :GRIB_table_version = "0,2";
  :Generating_process_or_model = "Quantitative Precipitation Forecast generated by NCEP";
  :file_format = "GRIB-1";
  :Conventions = "CF-1.6";
  :history = "Read using CDM IOSP GribCollection v3";
  :featureType = "GRID";
}