netcdf ncep/rtma/202410/20241010/rtma2p5.2024101019z.conus.grb2 { dimensions: x = 2145; y = 1377; time = 1; 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=2145); :standard_name = "projection_x_coordinate"; :units = "km"; float y(y=1377); :standard_name = "projection_y_coordinate"; :units = "km"; double reftime; :units = "Hour since 2024-10-10T19:00:00Z"; :standard_name = "forecast_reference_time"; :long_name = "GRIB reference time"; :calendar = "proleptic_gregorian"; double time(time=1); :units = "Hour since 2024-10-10T19:00:00Z"; :standard_name = "time"; :long_name = "GRIB forecast or observation time"; :calendar = "proleptic_gregorian"; 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 Wind_direction_from_which_blowing_height_above_ground(time=1, height_above_ground=1, y=1377, x=2145); :long_name = "Wind direction (from which blowing) @ Specified height level above ground"; :units = "degree_true"; :abbreviation = "WDIR"; :missing_value = NaNf; // float :grid_mapping = "LambertConformal_Projection"; :coordinates = "reftime time height_above_ground y x "; :Grib_Variable_Id = "VAR_0-2-0_L103"; :Grib2_Parameter = 0, 2, 0; // int :Grib2_Parameter_Discipline = "Meteorological products"; :Grib2_Parameter_Category = "Momentum"; :Grib2_Parameter_Name = "Wind direction (from which blowing)"; :Grib2_Level_Type = 103; // int :Grib2_Level_Desc = "Specified height level above ground"; :Grib2_Generating_Process_Type = "Analysis"; :Grib2_Statistical_Process_Type = "UnknownStatType--1"; float Wind_speed_height_above_ground(time=1, height_above_ground=1, y=1377, x=2145); :long_name = "Wind speed @ Specified height level above ground"; :units = "m/s"; :abbreviation = "WIND"; :missing_value = NaNf; // float :grid_mapping = "LambertConformal_Projection"; :coordinates = "reftime time height_above_ground y x "; :Grib_Variable_Id = "VAR_0-2-1_L103"; :Grib2_Parameter = 0, 2, 1; // int :Grib2_Parameter_Discipline = "Meteorological products"; :Grib2_Parameter_Category = "Momentum"; :Grib2_Parameter_Name = "Wind speed"; :Grib2_Level_Type = 103; // int :Grib2_Level_Desc = "Specified height level above ground"; :Grib2_Generating_Process_Type = "Analysis"; :Grib2_Statistical_Process_Type = "UnknownStatType--1"; float Wind_speed_gust_height_above_ground(time=1, height_above_ground=1, y=1377, x=2145); :long_name = "Wind speed (gust) @ Specified height level above ground"; :units = "m/s"; :abbreviation = "GUST"; :missing_value = NaNf; // float :grid_mapping = "LambertConformal_Projection"; :coordinates = "reftime time height_above_ground y x "; :Grib_Variable_Id = "VAR_0-2-22_L103"; :Grib2_Parameter = 0, 2, 22; // int :Grib2_Parameter_Discipline = "Meteorological products"; :Grib2_Parameter_Category = "Momentum"; :Grib2_Parameter_Name = "Wind speed (gust)"; :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"; }