netcdf files/g/ds113.1/ec.oper.fc.sfc/202408/ec.oper.fc.sfc.128_129_z.regn1280sc.20240807.nc {
  dimensions:
    forecast_hour = 2;
    forecast_initial_time = UNLIMITED;   // (2 currently)
    latitude = 2560;
    longitude = 5120;
  variables:
    float Z(forecast_initial_time=2, forecast_hour=2, latitude=2560, longitude=5120);
      :long_name = "Geopotential (at the surface)";
      :short_name = "z";
      :units = "m**2 s**-2";
      :original_format = "WMO GRIB 1 with ECMWF local table";
      :ecmwf_local_table = 128; // int
      :ecmwf_parameter = 129; // int
      :_FillValue = 9.999E20f; // float
      :missing_value = 9.999E20f; // float
      :data_min = -3993.6392f; // float
      :data_max = 62390.36f; // float
      :grid_specification = "5120 longitude x 2560 Gaussian latitude (0.07deg x ~0.07deg from 0E to 359.93E and 89.946N to 89.946S)";
      :original_data_representation = "Reduced Gaussian grid (N1280)";
      :rda_dataset = "ds113.1";
      :rda_dataset_url = "https:/rda.ucar.edu/datasets/ds113.1/";
      :rda_dataset_doi = "DOI: 10.5065/D68050ZV";
      :rda_dataset_group = "ECMWF Operational 6-hourly atmospheric surface forecast";
      :QuantizeBitGroomNumberOfSignificantDigits = 7; // int
      :_ChunkSizes = 1U, 2U, 2560U, 5120U; // uint

    int forecast_hour(forecast_hour=2);
      :long_name = "forecast hour";
      :short_name = "fhr";
      :standard_name = "forecast_period";
      :units = "hour";
      :units_qualifier = "hours since forecast_initial_time";
      :note = "forecast_hour = 0 corresponds to the analysis";
      :_ChunkSizes = 2U; // uint

    int forecast_initial_time(forecast_initial_time=2);
      :long_name = "forecast initial time";
      :short_name = "fitime";
      :standard_name = "forecast_reference_time";
      :units = "hours since 1900-01-01 00:00:00";
      :calendar = "gregorian";
      :_ChunkSizes = 1024U; // uint

    double latitude(latitude=2560);
      :long_name = "latitude";
      :short_name = "lat";
      :units = "degrees_north";
      :qualifier = "Gaussian";
      :_ChunkSizes = 2560U; // uint

    double longitude(longitude=5120);
      :long_name = "longitude";
      :short_name = "lon";
      :units = "degrees_east";
      :_ChunkSizes = 5120U; // uint

    int utc_date(forecast_initial_time=2);
      :long_name = "UTC date yyyy-mm-dd hh:00:00 as yyyymmddhh";
      :units = "Gregorian_year month day hour";
      :_ChunkSizes = 1024U; // uint

  // global attributes:
  :DATA_SOURCE = "ECMWF: ECOPER GRIB 1 spherical harmonics (T2559) and reduced Gaussian grid data (N1280).";
  :DATA_INTERPOLATION = "CISL RDA: ECOPER GRIB 1 N1280/T2559 data interpolated (or synthesized) to 5120 longitude x 2560 Gaussian latitude GRIB 1 data using emoslib-4.3.9 (compiled with cmake with grib_api-1.14.7 and fftw-3.3.8 support for gnu/gfortran-9.1.0).";
  :NETCDF_CONVERSION = "CISL RDA: Conversion from interpolated/synthesized GRIB 1 data to netCDF4.";
  :NETCDF_VERSION = "4.9.2";
  :CONVERSION_PLATFORM = "Linux crhtc62 5.14.21-150400.24.46-default #1 SMP PREEMPT_DYNAMIC Thu Feb 9 08:38:18 UTC 2023 (2d95137) x86_64 x86_64 x86_64 GNU/Linux";
  :CONVERSION_DATE = "Sat 10 Aug 2024 05:17:04 AM MDT";
  :Conventions = "CF-1.6";
  :NETCDF_COMPRESSION = "NCO: Precision-preserving compression to netCDF4/HDF5 (see \"history\" and \"NCO\" global attributes below for specifics).";
  :history = "Sat Aug 10 05:17:05 2024: ncks -4 -L 1 --baa=0 --ppc Z=7 ec.oper.fc.sfc.128_129_z.regn1280sc.20240807.unc.nc ec.oper.fc.sfc.128_129_z.regn1280sc.20240807.nc";
  :NCO = "netCDF Operators version 5.1.9 (Homepage = http://nco.sf.net, Code = http://github.com/nco/nco, Citation = 10.1016/j.envsoft.2008.03.004)";
}