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Dataset Title:  Surface forecast ROMS Subscribe RSS
Institution:  ICATMAR   (Dataset ID: surface_forecast)
Information:  Summary ? | License ? | Metadata | Background (external link) | Files | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (UTC) ?      51    1h 0m 0s (even)
  < slider >
 eta_rho (count) ?      442    1.0 (even)
  < slider >
 xi_rho (count) ?      442    1.0 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables) 
 so (salinity, PSU) ?
 thetao (potential temperature, degree_Celsius) ?
 uo (eastward momentum component at RHO-points, meter second-1) ?
 vo (northward momentum component at RHO-points, meter second-1) ?
 zos (free-surface, m) ?

File type: (more information)

(Documentation / Bypass this form) ?
 
(Please be patient. It may take a while to get the data.)


 

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 _FillValue NaN;
    Float64 actual_range 1.7748288e+9, 1.7750088e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String field "time, scalar, series";
    String ioos_category "Time";
    String long_name "time since initialization";
    String source_name "ocean_time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  eta_rho {
    Int16 actual_range 0, 441;
    String ioos_category "Location";
    String long_name "eta rho";
    String units "count";
  }
  xi_rho {
    Int16 actual_range 0, 441;
    String ioos_category "Location";
    String long_name "xi rho";
    String units "count";
  }
  so {
    UInt32 _ChunkSizes 26, 221, 221;
    Float32 _FillValue NaN;
    String cell_methods "ocean_time: point";
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String graphType "surface";
    String ioos_category "Salinity";
    String long_name "salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  thetao {
    UInt32 _ChunkSizes 26, 221, 221;
    Float32 _FillValue NaN;
    String cell_methods "ocean_time: point";
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String graphType "surface";
    String ioos_category "Temperature";
    String long_name "potential temperature";
    String standard_name "sea_water_potential_temperature";
    String units "degree_Celsius";
  }
  uo {
    UInt32 _ChunkSizes 26, 221, 221;
    Float32 _FillValue NaN;
    String cell_methods "ocean_time: point";
    Float64 colorBarMaximum 0.3;
    Float64 colorBarMinimum -0.3;
    String graphType "surface";
    String ioos_category "Currents";
    String long_name "eastward momentum component at RHO-points";
    String standard_name "eastward_sea_water_velocity";
    String units "meter second-1";
  }
  vo {
    UInt32 _ChunkSizes 26, 221, 221;
    Float32 _FillValue NaN;
    String cell_methods "ocean_time: point";
    Float64 colorBarMaximum 0.3;
    Float64 colorBarMinimum -0.3;
    String graphType "surface";
    String ioos_category "Currents";
    String long_name "northward momentum component at RHO-points";
    String standard_name "northward_sea_water_velocity";
    String units "meter second-1";
  }
  zos {
    UInt32 _ChunkSizes 26, 221, 221;
    Float32 _FillValue NaN;
    String cell_methods "ocean_time: point";
    Float64 colorBarMaximum 2.0;
    Float64 colorBarMinimum -2.0;
    String graphType "surface";
    String ioos_category "Sea Level";
    String long_name "free-surface";
    String standard_name "sea_surface_height_above_geoid";
    String units "m";
  }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.9.3-development,hdf5=1.14.2";
    String cdm_data_type "Grid";
    String Conventions "CF-1.10, COARDS, ACDD-1.3";
    String defaultGraphType "surface";
    String history 
"2026-05-23T20:44:10Z (local files)
2026-05-23T20:44:10Z https://hebe.icm.csic.es/erddap/griddap/surface_forecast.das";
    String history_of_appended_files 
"Tue Mar 31 08:59:45 2026: Appended file
                data/R1600L040_grid.nc had following \"history\" attribute:
                Fri Mar 6 11:43:36 2026: ncatted -O -a Author,global,m,c,Jiglesias using pyroms
                R1600L040_grid.nc
                Fri Mar 6 11:42:10 2026: ncatted -O -a Description,global,m,c,ROMS grid 1600 m 40
                vertical levels R1600L040_grid.nc";
    String infoUrl "https://www.icatmar.cat/";
    String institution "ICATMAR";
    String keywords "above, circulation, component, currents, data, density, earth, Earth Science\\n                > Oceans > Ocean Temperature > Potential Temperature, Earth Science >\\n                Oceans > Salinity/Density > Salinity, Earth Science > Oceans > Ocean Circulation > Ocean Currents, Earth Science > Oceans > Sea\\n                Surface Topography > Sea Surface Height, Earth Science > Solid Earth >\\n                Geodetics/Gravity > Geoid Properties, eastward, eastward_sea_water_velocity, eta, eta_rho, forecast, free, free-surface, geodetics, geoid, gravity, height, level, model, modeling, momentum, northward, northward_sea_water_velocity, ocean, ocean_time, oceans, points, potential, practical, properties, regional, rho, rho-points, roms, salinity, science, sea, sea level, sea_surface_height_above_geoid, sea_water_potential_temperature, sea_water_practical_salinity, seawater, solid, surface, system, temperature, thetao, time, topography, velocity, water, xi, xi_rho, zos";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"This
        dataset by ICATMAR is licensed under a Creative Commons Attribution 4.0
        International License. You should have received a copy of the license along with this work.
        If not, see https://creativecommons.org/licenses/by/4.0/.";
    String NCO 
"netCDF Operators version 5.0.6 (Homepage = http://nco.sf.net, Code =
                https://github.com/nco/nco)";
    String NLM_LBC 
"EDGE: WEST SOUTH EAST NORTH
                zeta: Clo Cha Cha Clo
                ubar: Clo Fla Fla Clo
                vbar: Clo Fla Fla Clo
                u: Clo RadNud RadNud Clo
                v: Clo RadNud RadNud Clo
                temp: Clo RadNud RadNud Clo
                salt: Clo RadNud RadNud Clo
                tke: Clo RadNud RadNud Clo";
    String NLM_TADV 
"ADVECTION: HORIZONTAL VERTICAL
                temp: Upstream3 Centered4
                salt: Upstream3 Centered4";
    String source "ROMS";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary 
"Surface forecast Regional Ocean Modeling System (ROMS). Data from a
                local source.";
    String testOutOfDate "now-1day";
    String time_coverage_end "2026-04-01T02:00:00Z";
    String time_coverage_start "2026-03-30T00:00:00Z";
    String title "Surface forecast ROMS";
  }
}

 

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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