netcdf qbo/radiosonde_tropical_eastward_wind_195301.nc {
  dimensions:
    string13 = 13;
    pressure = 15;
    time = 854;
    nv = 2;
  variables:
    double u(time=854, pressure=15);
      :_FillValue = NaN; // double
      :standard_name = "eastward_wind";
      :long_name = "Eastward Wind";
      :units = "m/s";
      :cell_methods = "time: mean (interval: 1 month)";
      :missing_value = -9999.0; // double
      :u_qc = 0L; // long

    int station_number(time=854);
      :long_name = "Station WMO ID";
      :standard_name = "platform_id";
      :units = "1";

    char station_name(time=854, string13=13);
      :long_name = "Station Name";
      :standard_name = "platform_name";

    double station_latitude(time=854);
      :_FillValue = NaN; // double
      :long_name = "Station Latitude";
      :standard_name = "latitude";
      :units = "degrees_north";

    double station_longitude(time=854);
      :_FillValue = NaN; // double
      :long_name = "Station Longitude";
      :standard_name = "longitude";
      :units = "degrees_east";

    double station_altitude(time=854);
      :_FillValue = NaN; // double
      :long_name = "Station Altitude";
      :standard_name = "altitude";
      :units = "m";
      :positive = "up";

    int time_bnds(time=854, nv=2);
      :long_name = "Time Bounds";

    int pressure(pressure=15);
      :standard_name = "air_pressure";
      :long_name = "Atmospheric Pressure";
      :units = "hPa";
      :axis = "Z";

    int time(time=854);
      :standard_name = "time";
      :long_name = "Time";
      :units = "days since 1950-01-01 00:00:00";
      :calendar = "standard";
      :bounds = "time_bnds";

    int nv(nv=2);
      :long_name = "Number of Vertices in Bounds";
      :units = "count";

    int u_qc(time=854, pressure=15);
      :long_name = "Quality flag for eastward wind";
      :flag_values = 0, 1; // int
      :flag_meanings = "interpolated missing";

  // global attributes:
  :Conventions = "CF-1.8, CF-1.6, CF-1.7, IOOS-1.2, ACDD-1.3";
  :title = "Monthly mean zonal winds";
  :summary = "Collection of tropical winds originally from the FU Berlin to represent QBO data";
  :history = "Created by Tobias Kerzenmacher using FUB processing chain";
  :source = "FUB and Singapore radiosondes";
  :comment = "Monthly mean zonal winds at the levels 100, 90, 80, 70, 60, 50, 45, 40, 35, 30, 25, 20, 15, 12, and 10-hPa from Radiosonde data of the four radiosonde stations KIRIBATI Canton Island (closed 1967), MALEDIVES Gan Island (closed 1975), SINGAPORE Payalebar (until 1989), and SINGAPORE Changi (from 1989) near the equator from 1953 to the present. Values for 100 hPa from from October 1967 until December 1996 are entirely from Singapore, values at 100 hPa before October 1967 where available are from Kiribati (Canton Island). ";
  :institution = "Karlsruhe Institute of Technology (KIT), Institute of Meteorology and Climate Research (IMK), Germany";
  :institution_id = "ROR:04t3en479";
  :license = "CC-BY 4.0";
  :keywords = "QBO, radiosonde, zonal wind";
  :frequency = "1M";
  :creator_url = "https://orcid.org/0000-0001-8413-0539";
  :creator_email = "kerzenmacher@kit.edu";
  :contact = "kerzenmacher@kit.edu";
  :creation_date = "2024-03-01_18-10-12";
  :further_info_url = "https://www.atmohub.kit.edu/english/807.php";
  :references = "Barbara Naujokat (1986) doi: https://doi.org/10.1175/1520-0469(1986)043<1873:AUOTOQ>2.0.CO;2 Christian Marquardt (1998) Die tropische QBO und dynamische Prozesse in der Stratosphäre. PhD Thesis, Met. Abh. FU-Berlin, Serie A, Band 9/Heft 4, Verlag Dietrich Reimer Berlin, 260 S.";
  :standard_name_vocabulary = "CF Standard Name Table, Version 83";
  :crs = "wgs84";
}