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Dataset Title:  GLCFS, Lake Superior, Forecast, 3D (Lake Superior, 3D, Best Time Series) [
time], 2017-present
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Institution:  NOAA/GLERL   (Dataset ID: glos_tds_c0a4_560e_08ee)
Information:  Summary ? | License ? | Metadata | Background (external link) | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (UTC) ?      436    3h 0m 0s (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables)
 time_run (run times for coordinate = time, seconds since 1970-01-01T00:00:00Z) ?
 time_offset (seconds since 1970-01-01T00:00:00Z) ?

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 1.5147756e+9, 1.5194736e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "Forecast time for ForecastModelRunCollection";
    Float64 missing_value NaN;
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  time_run {
    String _CoordinateAxisType "RunTime";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "run times for coordinate = time";
    String standard_name "forecast_reference_time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  time_offset {
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "offset hour from start of run for coordinate = time";
    String standard_name "forecast_period";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  NC_GLOBAL {
    String _CoordSysBuilder "ucar.nc2.dataset.conv.CF1Convention";
    String author "gregory.lang@noaa.gov";
    String cdm_data_type "Grid";
    String comment1 "Lake Superior 10 km bathymetric grid";
    String comment2 "3-hourly model 3D output starting at validtime plus 3 hr";
    String comment3 "Generated 2x per day following the 0,12 Z Forecast runs";
    String contributor_name "GLOS DMAC, GLERL";
    String contributor_role "distributor, producer";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creation_date "Thu Feb 15 01:49:01 2018 GMT";
    String creator_email "david.schwab@noaa.gov";
    String creator_name "Dr. Dave Schwab";
    String creator_type "person";
    String creator_url "https://www.glerl.noaa.gov/";
    String data_source "NDFD";
    String disclaimer "https://www.glerl.noaa.gov/home/notice.html";
    String history 
"FMRC Best Dataset
2018-02-19T19:47:35Z http://tds.glos.us/thredds/dodsC/glos/glcfs/superior/fcfmrc-3d/Lake_Superior_-_3D_best.ncd
2018-02-19T19:47:35Z http://upwell.pfeg.noaa.gov/erddap/griddap/glos_tds_c0a4_560e_08ee.das";
    String id "glos.glcfs.superior.fcfmrc-3d.Lake_Superior_-_3D_best.ncd";
    String infoUrl "https://www.glerl.noaa.gov/res/glcfs/";
    String institution "NOAA/GLERL";
    String keywords "best, best time series, coastal, coordinate, data, environmental, forecast, forecast_period, forecast_reference_time, forecasting, glcfs, glerl, glos, great, great lakes, hour, laboratory, lake, lakes, noaa, observing, offset, period, reference, research, run, series, start, superior, system, time, time series, time_offset, time_run, times";
    String license "No usage restrictions";
    String location "Proto fmrc:Lake_Superior_-_3D";
    String metadata_link "http://data.glos.us/portal/";
    String model "Princeton Ocean Model-Great Lakes";
    String naming_authority "GLOS";
    String publisher_email "dmac@glos.us";
    String publisher_name "GLOS DMAC";
    String publisher_type "institution";
    String publisher_url "https://www.glos.us";
    String references "https://www.glerl.noaa.gov/res/glcfs/";
    String sourceUrl "http://tds.glos.us/thredds/dodsC/glos/glcfs/superior/fcfmrc-3d/Lake_Superior_-_3D_best.ncd";
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "GLCFS - Lake Superior - Forecast - 3D. Best time series, taking the data from the most recent run available. Great Lakes Coastal Forecasting System. Lake Superior 10 km bathymetric grid. 3-hourly model 3D output starting at validtime plus 3 hr. Generated 2x per day following the 0,12 Z Forecast runs";
    String time_coverage_end "2018-02-24T12:00:00Z";
    String time_coverage_start "2018-01-01T03:00:00Z";
    String title "GLCFS, Lake Superior, Forecast, 3D (Lake Superior, 3D, Best Time Series) [time], 2017-present";
    String validtime "15-FEB-2018 00:00 GMT";
    String validtime_DOY "046, 2018 00:00 GMT";
  }
}

 

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://upwell.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://upwell.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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