ERDDAP > griddap > Data Access Form

Dataset Title:	HRDPS, SalishSeaCast, Atmospheric Forcing Fields, Hourly, v23-02
Institution:	UBC EOAS   (Dataset ID: ubcSSaSurfaceAtmosphereFieldsV23-02)
Information:	Summary | License | Metadata | Background | Make a graph

 

Dimensions	Start	Stride	Stop	Size	Spacing
time (Time Axis, UTC)				23736	1h 0m 22s (uneven)
gridY (Y, count)				230	1.0 (even)
gridX (X)				190	1.0 (even)

Grid Variables (which always also download all of the dimension variables)

atmpres (Air Pressure at MSL, Pa)

precip (Precipitation Flux, kg m-2 s-1)

qair (Specific Humidity at 2m, kg kg-1)

rhair (2 metre relative humidity, %)

solar (Downward Short-Wave (Solar) Radiation Flux, W m-2)

tair (Air Temperature at 2m, K)

therm_rad (Downward Long-Wave (Thermal) Radiation Flux, W m-2)

lhtfl (Surface latent heat net flux, W m-2)

u_wind (U-Component of Wind at 10m, m s-1)

v_wind (V-Component of Wind at 10m, m s-1)

File type: (more information) .asc - View OPeNDAP-style ISO-8859-1 comma-separated text. .csv - Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). .csvp - Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. .csv0 - Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. .das - View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). .dds - View the dataset's structure via an ISO-8859-1 OPeNDAP Dataset Descriptor Structure (DDS). .dods - OPeNDAP clients use this to download the data in the DODS binary format. .esriAscii - Download an ISO-8859-1 ESRI ASCII file (latitude longitude data only; longitude must be all below or all above 180). .fgdc - View the dataset's UTF-8 FGDC .xml metadata. .graph - View a Make A Graph web page. .help - View a web page with a description of griddap. .html - View an OPeNDAP-style HTML Data Access Form. .htmlTable - View a UTF-8 .html web page with the data in a table. Times are ISO 8601 strings. .iso19115 - View the dataset's ISO 19115-2/19139 UTF-8 .xml metadata. .itx - Download an ISO-8859-1 Igor Text File. Each axis variable and each data variable becomes a wave. .json - View a table-like UTF-8 JSON file (missing value = 'null'; times are ISO 8601 strings). .jsonlCSV1 - View a UTF-8 JSON Lines CSV file with column names on line 1 (mv = 'null'; times are ISO 8601 strings). .jsonlCSV - View a UTF-8 JSON Lines CSV file without column names (mv = 'null'; times are ISO 8601 strings). .jsonlKVP - View a UTF-8 JSON Lines file with Key:Value pairs (missing value = 'null'; times are ISO 8601 strings). .mat - Download a MATLAB binary file. .nc - Download a NetCDF-3 binary file with COARDS/CF/ACDD metadata. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. .ncml - View the dataset's structure and metadata as a UTF-8 NCML .xml file. .nccsv - Download a NetCDF-3-like 7-bit ASCII NCCSV .csv file with COARDS/CF/ACDD metadata. .nccsvMetadata - View the dataset's metadata as the top half of a 7-bit ASCII NCCSV .csv file. .ncoJson - Download a UTF-8 NCO lvl=2 JSON file with COARDS/CF/ACDD metadata. .odvTxt - Download time,latitude,longitude,otherVariables as an ODV Generic Spreadsheet File (.txt). .parquet - Download as a parquet file. Metadata contains column names ("column_names") and units ("column_units"). .parquetWMeta - Download as a parquet file with detailed metadata. .timeGaps - View a UTF-8 list of gaps in the time values which are larger than the median gap. .tsv - Download a ISO-8859-1 tab-separated text table (line 1: names; line 2: units; ISO 8601 times). .tsvp - Download a ISO-8859-1 .tsv file with line 1: name (units). Times are ISO 8601 strings. .tsv0 - Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. .wav - Download a .wav audio file. All columns must be numeric and of the same type. .xhtml - View a UTF-8 XHTML (XML) file with the data in a table. Times are ISO 8601 strings. .geotif - View a grayscale GeoTIFF .tif file (for latitude longitude data; longitude must be all below or all above 180). .kml - View a Google Earth .kml file (for latitude, longitude data only). .smallPdf - View a small .pdf image file with a graph or map. .pdf - View a standard, medium-sized .pdf image file with a graph or map. .largePdf - View a large .pdf image file with a graph or map. .smallPng - View a small .png image file with a graph or map. .png - View a standard, medium-sized .png image file with a graph or map. .largePng - View a large .png image file with a graph or map. .transparentPng - View a .png image file (just the data, without axes, landmask, or legend).

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 _FillValue NaN;
    Float64 actual_range 1.6764192e+9, 1.7623836e+9;
    String axis "T";
    String calendar "gregorian";
    String coverage_content_type "modelResult";
    String ioos_category "Time";
    String long_name "Time Axis";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  gridY {
    Float64 actual_range 0, 229;
    String comment "Y values are grid indices in the model y-direction; geo-location data for the SalishSeaCast sub-domain of the ECCC MSC 2.5km resolution HRDPS continental model grid is available in the ubcSSaSurfaceAtmosphereFieldsV22-02 dataset.";
    String coverage_content_type "modelResult";
    String ioos_category "location";
    String long_name "Y";
    String standard_name "y";
    String units "count";
  }
  gridX {
    Float64 actual_range 0, 189;
    String comment "X values are grid indices in the model x-direction; geo-location data for the SalishSeaCast sub-domain of the ECCC MSC 2.5km resolution HRDPS continental model grid is available in the ubcSSaSurfaceAtmosphereFieldsV22-02 dataset.";
    String coverage_content_type "modelResult";
    String ioos_category "location";
    String long_name "X";
    String standard_name "x";
  }
  atmpres {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 110000.0;
    Float64 colorBarMinimum 87000.0;
    String colorBarPalette "KT_dense";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "unknown";
    String GRIB_cfVarName "prmsl";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "Pressure reduced to MSL";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    Float64 GRIB_paramId 260074;
    String GRIB_shortName "prmsl";
    String GRIB_stepType "instant";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "meanSea";
    String GRIB_units "Pa";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "Air Pressure at MSL";
    String standard_name "air_pressure_at_mean_sea_level";
    String units "Pa";
  }
  precip {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 200.0;
    Float64 colorBarMinimum 0.0;
    String colorBarPalette "KT_amp";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "precipitation_flux";
    String GRIB_cfVarName "precipitation_flux";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "Total Precipitation rate (S)";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    String GRIB_paramId "500041";
    String GRIB_shortName "tot_prec";
    String GRIB_stepType "accum";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "surface";
    String GRIB_units "kg m-2 s-1";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "Precipitation Flux";
    String standard_name "precipitation_flux";
    String units "kg m-2 s-1";
  }
  qair {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 128.0;
    Float64 colorBarMinimum 0.0;
    String colorBarPalette "KT_tempo";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "specific_humidity";
    String GRIB_cfVarName "sh2";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "2 metre specific humidity";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    Float64 GRIB_paramId 174096;
    String GRIB_shortName "2sh";
    String GRIB_stepType "instant";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "heightAboveGround";
    String GRIB_units "kg kg**-1";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "Specific Humidity at 2m";
    String standard_name "specific_humidity";
    String units "kg kg-1";
  }
  rhair {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String colorBarPalette "KT_tempo";
    String comment "For Vancouver Harbour and Lower Fraser River FVCOM model";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "relative_humidity";
    String GRIB_cfVarName "r2";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "2 metre relative humidity";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    Float64 GRIB_paramId 260242;
    String GRIB_shortName "2r";
    String GRIB_stepType "instant";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "heightAboveGround";
    String GRIB_units "%";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "2 metre relative humidity";
    String standard_name "relative_humidity";
    String units "%";
  }
  solar {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 700.0;
    Float64 colorBarMinimum 0.0;
    String colorBarPalette "KT_solar";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "surface_downwelling_shortwave_flux_in_air";
    String GRIB_cfVarName "ssrd";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "Surface short-wave (solar) radiation downwards";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    Float64 GRIB_paramId 169;
    String GRIB_shortName "ssrd";
    String GRIB_stepType "accum";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "surface";
    String GRIB_units "J m**-2";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "Downward Short-Wave (Solar) Radiation Flux";
    String standard_name "surface_downwelling_shortwave_flux_in_air";
    String units "W m-2";
  }
  tair {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 323.0;
    Float64 colorBarMinimum 253.0;
    String colorBarPalette "KT_thermal";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "air_temperature";
    String GRIB_cfVarName "t2m";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "2 metre temperature";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    Float64 GRIB_paramId 167;
    String GRIB_shortName "2t";
    String GRIB_stepType "instant";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "heightAboveGround";
    String GRIB_units "K";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "Air Temperature at 2m";
    String standard_name "air_temperature";
    String units "K";
  }
  therm_rad {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 500.0;
    Float64 colorBarMinimum 0.0;
    String colorBarPalette "KT_solar";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "unknown";
    String GRIB_cfVarName "strd";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "Surface long-wave (thermal) radiation downwards";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    Float64 GRIB_paramId 175;
    String GRIB_shortName "strd";
    String GRIB_stepType "accum";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "surface";
    String GRIB_units "J m**-2";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "Downward Long-Wave (Thermal) Radiation Flux";
    String standard_name "surface_downwelling_longwave_flux_in_air";
    String units "W m-2";
  }
  lhtfl {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 600.0;
    Float64 colorBarMinimum -100.0;
    String colorBarPalette "KT_solar";
    String comment "For Vancouver Harbour and Lower Fraser River FVCOM model";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "unknown";
    String GRIB_cfVarName "slhtf";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "Surface latent heat net flux";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    Float64 GRIB_paramId 260002;
    String GRIB_shortName "slhtf";
    String GRIB_stepType "instant";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "surface";
    String GRIB_units "W m**-2";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "Surface latent heat net flux";
    String standard_name "surface_downward_latent_heat_flux";
    String units "W m-2";
  }
  u_wind {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 120.0;
    Float64 colorBarMinimum 0.0;
    String colorBarPalette "KT_curl";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "eastward_wind";
    String GRIB_cfVarName "u10";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "10 metre U wind component";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    Float64 GRIB_paramId 165;
    String GRIB_shortName "10u";
    String GRIB_stepType "instant";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "heightAboveGround";
    String GRIB_units "m s**-1";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "U-Component of Wind at 10m";
    String standard_name "eastward_wind";
    String units "m s-1";
  }
  v_wind {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 120.0;
    Float64 colorBarMinimum 0.0;
    String colorBarPalette "KT_curl";
    String coverage_content_type "modelResult";
    Float64 GRIB_angleOfRotationInDegrees 0.0;
    String GRIB_cfName "northward_wind";
    String GRIB_cfVarName "v10";
    String GRIB_dataType "af";
    String GRIB_gridDefinitionDescription "Rotated latitude/longitude";
    String GRIB_gridType "rotated_ll";
    Float64 GRIB_iDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_iScansNegatively 0;
    Float64 GRIB_jDirectionIncrementInDegrees 0.0225;
    Float64 GRIB_jPointsAreConsecutive 0;
    Float64 GRIB_jScansPositively 1;
    Float64 GRIB_latitudeOfFirstGridPointInDegrees -12.302501;
    Float64 GRIB_latitudeOfLastGridPointInDegrees 16.700001;
    Float64 GRIB_latitudeOfSouthernPoleInDegrees -36.08852;
    Float64 GRIB_longitudeOfFirstGridPointInDegrees 345.17878;
    Float64 GRIB_longitudeOfLastGridPointInDegrees 42.306283;
    Float64 GRIB_longitudeOfSouthernPoleInDegrees 245.305142;
    Float64 GRIB_missingValue 3.4028234663852886e+38;
    String GRIB_name "10 metre V wind component";
    String GRIB_numberOfPoints "43700LL";
    Float64 GRIB_NV 0;
    String GRIB_Nx "230LL";
    String GRIB_Ny "190LL";
    Float64 GRIB_paramId 166;
    String GRIB_shortName "10v";
    String GRIB_stepType "instant";
    Float64 GRIB_stepUnits 1;
    String GRIB_typeOfLevel "heightAboveGround";
    String GRIB_units "m s**-1";
    Float64 GRIB_uvRelativeToGrid 1;
    String ioos_category "atmospheric";
    String long_name "V-Component of Wind at 10m";
    String standard_name "northward_wind";
    String units "m s-1";
  }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.9.3,hdf5=1.14.6";
    String acknowledgement "Environment and Climate Change Canada";
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String coverage_content_type "modelResult";
    String creator_email "sallen@eoas.ubc.ca";
    String creator_name "SalishSeaCast Project Contributors";
    String creator_url "https://salishsea-meopar-docs.readthedocs.io/";
    String drawLandMask "over";
    String GRIB_centre "cwao";
    String GRIB_centreDescription "Canadian Meteorological Service - Montreal";
    Float64 GRIB_edition 2;
    Float64 GRIB_subCentre 0;
    String history 
"Files generated daily by
`python -m nowcast.workers.grib_to_netcdf $NOWCAST_YAML nowcast+`
2025-11-05T19:19:24Z (local files)
2025-11-05T19:19:24Z https://salishsea.eos.ubc.ca/erddap/griddap/ubcSSaSurfaceAtmosphereFieldsV23-02.das";
    String infoUrl "https://salishsea.eos.ubc.ca/";
    String institution "UBC EOAS";
    String institution_fullname "Dept of Earth, Ocean & Atmospheric Sciences, University of British Columbia";
    String keywords "atmosphere, atmospheric, atmpres, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation > Downwelling Longwave Radiation, Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation > Downwelling Shortwave Radiation, Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity, Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Specific Humidity, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > U/V Wind Components, Earth Science > Atmosphere > Precipitation > Precipitation Rate > Surface Precipitation, humidity, latent heat, long-wave, model results, precipitation, pressure, qair, rad, radiation, rain, rainfall, relative_humidity, short-wave, solar, specific_humidity, tair, temperature, therm_rad, time, time_counter, u-component, u_wind, v-component, v_wind, vapor, wind";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"The SalishSeaCast NEMO model results are copyright
by the SalishSeaCast Project Contributors and The University of British Columbia.

They are licensed under the Apache License, Version 2.0. http://www.apache.org/licenses/LICENSE-2.0

This dataset was derived from a product of the Environment and Climate Change Canada HRDPS
(High Resolution Deterministic Prediction System) continental rotated lat-lon model grid product.
The Terms and conditions of use of Meteorological Data from Environment and Climate Change Canada
are available at http://dd.weather.gc.ca/doc/LICENCE_GENERAL.txt.";
    String project "SalishSeaCast NEMO Model";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v91";
    String summary 
"HRDPS, SalishSeaCast, Atmospheric Forcing Fields, Hourly, v23-02

2d hourly atmospheric field values from the Environment and Climate Change Canada HRDPS
continental rotated lat-lon grid atmospheric forcing model that were used to force the
SalishSeaCast NEMO model from 2023-02-23 onward.
The model grid includes the Juan de Fuca Strait, the Strait of Georgia, Puget Sound,
and Johnstone Strait on the coasts of Washington State and British Columbia.
Geo-location data for the atmospheric forcing grid are available in the ubcSSaAtmosphereGridV23-02 dataset.
Atmospheric field values are interpolated on to the SalishSeaCast NEMO model grid on-the-fly by NEMO.

v23-02: atmospheric pressure, precipitation rate, 2m specific humidity, 2m relative humidity,
2m air temperature, short-wave radiation flux, long-wave radiation flux, latent heat net flux,
10m u wind component, 10m v wind component variables";
    String testOutOfDate "now-12hours";
    String time_coverage_end "2025-11-05T23:00:00Z";
    String time_coverage_start "2023-02-15T00:00:00Z";
    String title "HRDPS, SalishSeaCast, Atmospheric Forcing Fields, Hourly, v23-02";
  }
}

 

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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 Data Access Protocol (DAP) and its projection constraints.

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.

• (easy) You can get data by using the dataset's Data Access Form. It makes the URL for you.
• (easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
• (not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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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