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Dataset Title:  COAMPS 3D Winds, 4km Subscribe RSS
Institution:  58   (Dataset ID: COAMPS_4KM_AGG_WIND)
Information:  Summary ? | License ? | Metadata | Background (external link) | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (forecast date time, UTC) ?      3229    3h 3m 4s (uneven)
  < slider >
 height (height above sea level, m) ?      6    2332.8 (uneven)
  < slider >
 y (km) ?      361    4.0 (even)
  < slider >
 x (km) ?      301    4.0 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables)
 u_component_wind_true_direction_all_geometries (m.s-1) ?
 v_component_wind_true_direction_all_geometries (m.s-1) ?

File type: (more info)

(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 actual_range 1.3775292e+9, 1.4129856e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "forecast date time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  height {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float64 actual_range 111.0, 11775.0;
    String ioos_category "Location";
    String long_name "height above sea level";
    String standard_name "projection_z_coordinate";
    String units "m";
  }
  y {
    String _CoordinateAxisType "GeoY";
    Float64 actual_range 3217.6206264877414, 4657.620626487742;
    String grid_spacing "4.0 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 0.0, 1200.0;
    String grid_spacing "4.0 km";
    String ioos_category "Location";
    String long_name "x coordinate of projection";
    String standard_name "projection_x_coordinate";
    String units "km";
  }
  u_component_wind_true_direction_all_geometries {
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum -15.0;
    Int32 GRIB_center_id 58;
    Int32 GRIB_level_type 100;
    Int32 GRIB_param_id 1, 58, 3, 251;
    String GRIB_param_name "u_component_wind_true_direction_all_geometries";
    Int32 GRIB_param_number 251;
    String GRIB_param_short_name "wnd_utru";
    String GRIB_product_definition_type "Initialized analysis product";
    Int32 GRIB_table_id 3;
    String GRIB_VectorComponentFlag "easterlyNortherlyRelative";
    String grid_mapping "Mercator";
    String ioos_category "Wind";
    String long_name "Zonal Wind";
    Float64 missing_value -9999.0;
    String standard_name "eastward_wind";
    String units "m.s-1";
  }
  v_component_wind_true_direction_all_geometries {
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum -15.0;
    Int32 GRIB_center_id 58;
    Int32 GRIB_level_type 100;
    Int32 GRIB_param_id 1, 58, 3, 252;
    String GRIB_param_name "v_component_wind_true_direction_all_geometries";
    Int32 GRIB_param_number 252;
    String GRIB_param_short_name "wnd_vtru";
    String GRIB_product_definition_type "Initialized analysis product";
    Int32 GRIB_table_id 3;
    String GRIB_VectorComponentFlag "easterlyNortherlyRelative";
    String grid_mapping "Mercator";
    String ioos_category "Wind";
    String long_name "Meridional Wind";
    Float64 missing_value -9999.0;
    String standard_name "northward_wind";
    String units "m.s-1";
  }
  NC_GLOBAL {
    String _CoordinateModelRunDate "2014-10-08T00:00:00Z";
    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 "58";
    String date_issued "2013-08-01";
    String file_format "GRIB-1";
    String history 
"Direct read of GRIB-1 into NetCDF-Java 4 API
2018-10-17T06:00:30Z (local files)
2018-10-17T06:00:30Z http://erddap.axiomdatascience.com/erddap/griddap/COAMPS_4KM_AGG_WIND.das";
    String infoUrl "???";
    String institution "58";
    String keywords "4km, atmosphere, atmospheric, coamps, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles, eastward, eastward_wind, meridional, northward, northward_wind, profiles, surface, wind, winds, zonal";
    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/coamps/cencoos_4km/wnd_utru/3012m/coamps_cencoos_4km_3012m_wnd_utru_2014-10-08-09_2014.281.00.nc";
    String Metadata_Conventions "CF-1.6, COARDS, Unidata Dataset Discovery v1.0";
    String original_institution "Center U.S. Navy Fleet Numerical Meteorology and Oceanography Center (58)";
    String Originating_center "U.S. Navy Fleet Numerical Meteorology and Oceanography Center (58)";
    String Product_Type "Forecast/Uninitialized Analysis/Image Product";
    String publisher_email "jpatterson@mbari.org";
    String publisher_name "Central and Northern California Ocean Observing System (CeNCOOS)";
    String publisher_url "www.cencoos.org";
    String source "Forecast/Uninitialized Analysis/Image Product";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Names V27";
    String summary "Near-real-time 48-hour weather forecasts from the new CeNCOOS COAMPS model run (August 2013 - Present). For older data, look at the COAMPS Forecast [2012 - 2013] layer. The Coupled Ocean/Atmosphere Mesoscale Prediction System, developed and run by the Naval Research Laboratory (NRL) in Monterey, CA, is a numerical weather prediction model. This model run has a resolution of 4km and covers the coastal ocean from Oregon to Mexico. Variables available in the CeNCOOS data portal include: Total Precipitation, Visibility, Cloudbase, Air Temperature, Relative Humidity and Wind. Other atmospheric variables and additional altitude layers are available through the GODAE server ie. heat flux, sea level pressure, vorticity, geopotential height. More information: CeNCOOS COAMPS page: http://www.cencoos.org/sections/models/coamps/ NRL COAMPS page: http://www.nrlmry.navy.mil/coamps-web/web/cencoos GODAE server: http://www.usgodae.org/pub/outgoing/fnmoc/models/coamps/calif/cencoos/";
    String time_coverage_end "2014-10-11T00:00:00Z";
    String time_coverage_start "2013-08-26T15:00:00Z";
    String title "COAMPS 3D Winds, 4km";
  }
}

 

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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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