This is a draft, expect sudden changes and come back later

THREDDS

General documentation

Models

CMEPS

General information:

About changes from MEPS to CMEPS, Feb 2020:

AROME-Arctic

Other models

Examples

Extraction of metadata using ncdump

https://thredds.met.no/thredds/catalog/metpplatest/catalog.html?dataset=metpplatest/met_forecast_1_0km_nordic_latest.nc

$ export CMEPS=https://thredds.met.no/thredds/dodsC/metpplatest/met_forecast_1_0km_nordic_latest.nc

$ ncdump -h $CMEPS
netcdf met_forecast_1_0km_nordic_latest {
dimensions:
    time = UNLIMITED ; // (57 currently)
    x = 1796 ;
    y = 2321 ;
variables:
    double forecast_reference_time ;
        forecast_reference_time:units = "seconds since 1970-01-01 00:00:00 +00:00" ;
        forecast_reference_time:standard_name = "forecast_reference_time" ;
    int projection_lcc ;
        projection_lcc:grid_mapping_name = "lambert_conformal_conic" ;
        projection_lcc:standard_parallel = 63., 63. ;
        projection_lcc:longitude_of_central_meridian = 15. ;
        projection_lcc:latitude_of_projection_origin = 63. ;
        projection_lcc:earth_radius = 6371000. ;
        projection_lcc:proj4 = "+proj=lcc +lat_0=63 +lon_0=15 +lat_1=63 +lat_2=63 +no_defs +R=6.371e+06" ;
    double time(time) ;
        time:long_name = "time" ;
        time:standard_name = "time" ;
        time:units = "seconds since 1970-01-01 00:00:00 +00:00" ;
        time:_\ChunkSizes = 1 ;
    double x(x) ;
        x:standard_name = "projection_x_coordinate" ;
        x:units = "m" ;
        x:_\ChunkSizes = 1796 ;
    double y(y) ;
        y:standard_name = "projection_y_coordinate" ;
        y:units = "m" ;
        y:_\ChunkSizes = 2321 ;
    float altitude(y, x) ;
        altitude:units = "m" ;
        altitude:standard_name = "surface_altitude" ;
        altitude:grid_mapping = "projection_lcc" ;
        altitude:coordinates = "longitude latitude" ;
        altitude:_\ChunkSizes = 31, 1796 ;
    float land_area_fraction(y, x) ;
        land_area_fraction:standard_name = "land_area_fraction" ;
        land_area_fraction:grid_mapping = "projection_lcc" ;
        land_area_fraction:coordinates = "longitude latitude" ;
        land_area_fraction:units = "1" ;
        land_area_fraction:_\ChunkSizes = 31, 1796 ;
    double latitude(y, x) ;
        latitude:units = "degree_north" ;
        latitude:long_name = "latitude" ;
        latitude:standard_name = "latitude" ;
        latitude:grid_mapping = "projection_lcc" ;
        latitude:_\ChunkSizes = 31, 1796 ;
    double longitude(y, x) ;
        longitude:units = "degree_east" ;
        longitude:long_name = "longitude" ;
        longitude:standard_name = "longitude" ;
        longitude:grid_mapping = "projection_lcc" ;
        longitude:_\ChunkSizes = 31, 1796 ;
    float air_temperature_2m(time, y, x) ;
        air_temperature_2m:coordinates = "longitude latitude" ;
        air_temperature_2m:units = "K" ;
        air_temperature_2m:standard_name = "air_temperature" ;
        air_temperature_2m:grid_mapping = "projection_lcc" ;
        air_temperature_2m:_\ChunkSizes = 1, 31, 1796 ;
    float precipitation_amount(time, y, x) ;
        precipitation_amount:coordinates = "longitude latitude" ;
        precipitation_amount:units = "kg/m^2" ;
        precipitation_amount:standard_name = "precipitation_amount" ;
        precipitation_amount:grid_mapping = "projection_lcc" ;
        precipitation_amount:_\ChunkSizes = 1, 31, 1796 ;
    float wind_direction_10m(time, y, x) ;
        wind_direction_10m:coordinates = "longitude latitude" ;
        wind_direction_10m:units = "degrees" ;
        wind_direction_10m:standard_name = "wind_direction" ;
        wind_direction_10m:grid_mapping = "projection_lcc" ;
        wind_direction_10m:_\ChunkSizes = 1, 31, 1796 ;
    float wind_speed_10m(time, y, x) ;
        wind_speed_10m:coordinates = "longitude latitude" ;
        wind_speed_10m:units = "m/s" ;
        wind_speed_10m:standard_name = "wind_speed" ;
        wind_speed_10m:grid_mapping = "projection_lcc" ;
        wind_speed_10m:_\ChunkSizes = 1, 31, 1796 ;
    float wind_speed_of_gust(time, y, x) ;
        wind_speed_of_gust:coordinates = "longitude latitude" ;
        wind_speed_of_gust:units = "m/s" ;
        wind_speed_of_gust:standard_name = "wind_speed_of_gust" ;
        wind_speed_of_gust:grid_mapping = "projection_lcc" ;
        wind_speed_of_gust:_\ChunkSizes = 1, 31, 1796 ;
    float cloud_area_fraction(time, y, x) ;
        cloud_area_fraction:coordinates = "longitude latitude" ;
        cloud_area_fraction:units = "1" ;
        cloud_area_fraction:standard_name = "cloud_area_fraction" ;
        cloud_area_fraction:grid_mapping = "projection_lcc" ;
        cloud_area_fraction:_\ChunkSizes = 1, 31, 1796 ;
    float air_pressure_at_sea_level(time, y, x) ;
        air_pressure_at_sea_level:units = "Pa" ;
        air_pressure_at_sea_level:standard_name = "air_pressure_at_sea_level" ;
        air_pressure_at_sea_level:grid_mapping = "projection_lcc" ;
        air_pressure_at_sea_level:coordinates = "longitude latitude" ;
        air_pressure_at_sea_level:_\ChunkSizes = 1, 31, 1796 ;
    float integral_of_surface_downwelling_shortwave_flux_in_air_wrt_time(time, y, x) ;
        integral_of_surface_downwelling_shortwave_flux_in_air_wrt_time:coordinates = "longitude latitude" ;
        integral_of_surface_downwelling_shortwave_flux_in_air_wrt_time:units = "W s/m^2" ;
        integral_of_surface_downwelling_shortwave_flux_in_air_wrt_time:standard_name = "integral_of_surface_downwelling_shortwave_flux_in_air_wrt_time" ;
        integral_of_surface_downwelling_shortwave_flux_in_air_wrt_time:grid_mapping = "projection_lcc" ;
        integral_of_surface_downwelling_shortwave_flux_in_air_wrt_time:_\ChunkSizes = 1, 31, 1796 ;
    float relative_humidity_2m(time, y, x) ;
        relative_humidity_2m:coordinates = "longitude latitude" ;
        relative_humidity_2m:units = "1" ;
        relative_humidity_2m:standard_name = "relative_humidity" ;
        relative_humidity_2m:grid_mapping = "projection_lcc" ;
        relative_humidity_2m:_\ChunkSizes = 1, 31, 1796 ;

// global attributes:
        :institution = "Norwegian Meteorological Institute, met.no" ;
        :creator_url = "met.no" ;
        :geospatial_lat_min = "51.0" ;
        :geospatial_lat_max = "88.0" ;
        :geospatial_lon_min = "-20.0" ;
        :geospatial_lon_max = "80.0" ;
        :references = "unknown" ;
        :license = "http://met.no/sb5-met.no/Forskning/Informasjonsteknologi/Tilgang_til_data/" ;
        :source = "meps" ;
        :summary = "Based on model data from MEPS (MetCoOp-Ensemble Prediction System) and observations from met.no, Netatmo, and Bergensvaeret." ;
        :Conventions = "CF-1.0" ;
        :NCO = "netCDF Operators version 4.7.9 (Homepage = http://nco.sf.net, Code = http://github.com/nco/nco)" ;
        :meps_forecast_reference_time = "1583744400" ;
        :DODS_EXTRA.Unlimited_Dimension = "time" ;
}
2020-05-19, Geir Aalberg
This is a draft, expect sudden changes and come back later