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Dataset Title:  US National Weather Service - NCEP(WMC) MESO NAM Model Forecast products Subscribe RSS
Institution:  WMC (7)   (Dataset ID: NAM_12_CONUS_ALASKA)
Information:  Summary ? | License ? | Metadata | Background (external link) | Data Access Form
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4901408e+9, 1.507032e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "date time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  y {
    String _CoordinateAxisType "GeoY";
    Float64 actual_range -4810.102727252555, -1524.5987272525554;
    String grid_spacing "2.976 km";
    String ioos_category "Location";
    String long_name "y coordinate of projection";
    String standard_name "projection_y_coordinate";
    String units "km";
  }
  x {
    String _CoordinateAxisType "GeoX";
    Float64 actual_range -2619.397251420149, 2285.050748579851;
    String grid_spacing "2.976 km";
    String ioos_category "Location";
    String long_name "x coordinate of projection";
    String standard_name "projection_x_coordinate";
    String units "km";
  }
  Ice_cover_Proportion {
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Ice";
    String GRIB_param_discipline "Oceanographic_products";
    Int32 GRIB_param_id 2, 10, 2, 0;
    String GRIB_param_name "Ice_cover";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Ice Distribution";
    String long_name "Ice_cover_Proportion @ surface";
    Float32 missing_value NaN;
    String units "percent";
  }
  Water_temperature {
    Float64 colorBarMaximum 305.0;
    Float64 colorBarMinimum 273.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Surface_Properties";
    String GRIB_param_discipline "Oceanographic_products";
    Int32 GRIB_param_id 2, 10, 3, 0;
    String GRIB_param_name "Water_temperature";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Temperature";
    String long_name "Water_temperature @ surface";
    Float32 missing_value NaN;
    String standard_name "sea_water_temperature";
    String units "degree_kelvin";
  }
  Snow_Cover {
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Moisture";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 1, 201;
    String GRIB_param_name "Snow_Cover";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Ice Distribution";
    String long_name "Snow_Cover @ surface";
    Float32 missing_value NaN;
    String units "percent";
  }
  Vegetation {
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Vegetation_and_Biomass";
    String GRIB_param_discipline "Land_surface_products";
    Int32 GRIB_param_id 2, 2, 0, 4;
    String GRIB_param_name "Vegetation";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Biology";
    String long_name "Vegetation @ surface";
    Float32 missing_value NaN;
    String units "percent";
  }
  Water_equivalent_of_accumulated_snow_depth {
    Float64 colorBarMaximum 1000.0;
    Float64 colorBarMinimum 0.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Moisture";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 1, 13;
    String GRIB_param_name "Water_equivalent_of_accumulated_snow_depth";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Ice Distribution";
    String long_name "Water_equivalent_of_accumulated_snow_depth @ surface";
    Float32 missing_value NaN;
    String standard_name "liquid_water_content_of_surface_snow";
    String units "kg.m-2";
  }
  Pressure_surface {
    Float64 colorBarMaximum 105000.0;
    Float64 colorBarMinimum 95000.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Mass";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 3, 0;
    String GRIB_param_name "Pressure";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Pressure";
    String long_name "Pressure @ surface";
    Float32 missing_value NaN;
    String standard_name "surface_air_pressure";
    String units "pascal";
  }
  Pressure_reduced_to_MSL {
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 101;
    String GRIB_level_type_name "msl";
    String GRIB_param_category "Mass";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 3, 1;
    String GRIB_param_name "Pressure_reduced_to_MSL";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Pressure";
    String long_name "Pressure_reduced_to_MSL @ msl";
    Float32 missing_value NaN;
    String units "pascal";
  }
  Temperature_surface {
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Temperature";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 0, 0;
    String GRIB_param_name "Temperature";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Temperature";
    String long_name "Temperature @ surface";
    Float32 missing_value NaN;
    String standard_name "air_temperature";
    String units "degree_Celsius";
  }
  Precipitation_rate {
    Float64 colorBarMaximum 1.0e-4;
    Float64 colorBarMinimum 0.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Moisture";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 1, 7;
    String GRIB_param_name "Precipitation_rate";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Meteorology";
    String long_name "Precipitation_rate @ surface";
    Float32 missing_value NaN;
    String standard_name "lwe_precipitation_rate";
    String units "kg.m-2.s-1";
  }
  Total_cloud_cover {
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 200;
    String GRIB_level_type_name "entire_atmosphere";
    String GRIB_param_category "Cloud";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 6, 1;
    String GRIB_param_name "Total_cloud_cover";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Bottom Character";
    String long_name "Total_cloud_cover @ entire_atmosphere";
    Float32 missing_value NaN;
    String standard_name "cloud_area_fraction";
    String units "percent";
  }
  Visibility {
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 3;
    String GRIB_level_type_name "cloud_tops";
    String GRIB_param_category "Physical_atmospheric_properties";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 19, 0;
    String GRIB_param_name "Visibility";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Meteorology";
    String long_name "Visibility @ cloud_tops";
    Float32 missing_value NaN;
    String standard_name "visibility_in_air";
    String units "m";
  }
  Snow_depth {
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Moisture";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 1, 11;
    String GRIB_param_name "Snow_depth";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Ice Distribution";
    String long_name "Snow_depth @ surface";
    Float32 missing_value NaN;
    String units "m";
  }
  Albedo {
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Physical_atmospheric_properties";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 19, 1;
    String GRIB_param_name "Albedo";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Optical Properties";
    String long_name "Albedo @ surface";
    Float32 missing_value NaN;
    String units "percent";
  }
  Wind_speed_gust {
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.0;
    String GRIB_generating_process_type "Forecast";
    Int32 GRIB_level_type 1;
    String GRIB_level_type_name "surface";
    String GRIB_param_category "Momentum";
    String GRIB_param_discipline "Meteorological_products";
    Int32 GRIB_param_id 2, 0, 2, 22;
    String GRIB_param_name "Wind_speed";
    Int32 GRIB_product_definition_template 0;
    String GRIB_product_definition_template_desc "Analysis/forecast at horizontal level/layer at a point in time";
    String GRIB_VectorComponentFlag "gridRelative";
    String grid_mapping "Polar_Stereographic";
    String ioos_category "Wind";
    String long_name "Wind_speed_gust @ surface";
    Float32 missing_value NaN;
    String standard_name "wind_speed_of_gust";
    String units "m.s-1";
  }
  NC_GLOBAL {
    String _CoordinateModelRunDate "2018-07-10T00:00:00Z";
    String _CoordSysBuilder "ucar.nc2.dataset.conv.CF1Convention";
    String cdm_data_type "Grid";
    String CF_feature_type "GRID";
    String Conventions "CF-1.6, COARDS, Unidata Dataset Discovery v1.0";
    String creator_name "WMC (7)";
    String file_format "GRIB-2";
    String Generating_Model "MESO NAM Model";
    String history 
"Direct read of GRIB-2 into NetCDF-Java 4 API
2018-07-22T16:35:47Z (local files)
2018-07-22T16:35:47Z http://erddap.axiomdatascience.com/griddap/NAM_12_CONUS_ALASKA.das";
    String infoUrl "???";
    String institution "WMC (7)";
    String keywords "accumulated, air, air_temperature, albedo, amount, area, atmosphere, atmospheric, biology, bottom, bottom character, character, cloud, cloud_area_fraction, clouds, content, cover, cryosphere, depth, distribution, Earth Science > Atmosphere > Air Quality > Visibility, Earth Science > Atmosphere > Atmospheric Pressure > Surface Pressure, Earth Science > Atmosphere > Atmospheric Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Temperature > Surface Air Temperature, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Atmosphere > Clouds > Cloud Amount/Frequency, Earth Science > Atmosphere > Precipitation > Liquid Water Equivalent, Earth Science > Atmosphere > Precipitation > Precipitation Rate, Earth Science > Cryosphere > Snow/Ice > Snow Water Equivalent, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Terrestrial Hydrosphere > Snow/Ice > Snow Water Equivalent, entire, equivalent, forecast, fraction, frequency, gust, hydrosphere, ice, ice distribution, liquid, liquid_water_content_of_surface_snow, lwe, lwe_precipitation_rate, meso, meteorology, model, msl, nam, national, ncep, ocean, oceans, optical, optical properties, precipitation, pressure, products, properties, proportion, quality, rate, reduced, sea, sea_water_temperature, seawater, service, snow, speed, surface, surface_air_pressure, temperature, terrestrial, total, vegetation, visibility, visibility_in_air, water, weather, wind, wind_speed_of_gust, winds, wmc";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    String location "/mnt/gluster/data/netCDF/nam12_conus/nam.t00z.alaskanest.hiresf/nam12_conus_2018-07-10-05_2018.191.00.nc";
    String Metadata_Conventions "CF-1.6, COARDS, Unidata Dataset Discovery v1.0";
    String original_institution "Center US National Weather Service - NCEP(WMC) (7)";
    String Originating_center "US National Weather Service - NCEP(WMC) (7)";
    String Product_Status "Operational products";
    String Product_Type "Forecast products";
    String source "Type: Forecast products Status: Operational products";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF-12";
    String summary "US National Weather Service - NCEP(WMC) MESO NAM Model Forecast products";
    String time_coverage_end "2017-10-03T12:00:00Z";
    String time_coverage_start "2017-03-22T00:00:00Z";
    String title "US National Weather Service - NCEP(WMC) MESO NAM Model Forecast products";
  }
}

 

Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its projection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

griddap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.


 
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