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Dataset Title: | Best NAM Puerto Rico Time Series [time][pressure_difference_layer1][y][x], 2021-present |
Institution: | NCEP (Dataset ID: ioos_eds_c1b3_2089_3386) |
Information: | Summary | License | Metadata | Background | Make a graph |
Attributes { time { String _CoordinateAxisType "Time"; Float64 actual_range 1.6358112e+9, 1.6387272e+9; String axis "T"; String calendar "proleptic_gregorian"; String ioos_category "Time"; String long_name "GRIB forecast or observation time"; String standard_name "time"; String time_origin "01-JAN-1970 00:00:00"; String units "seconds since 1970-01-01T00:00:00Z"; } pressure_difference_layer1 { String _CoordinateAxisType "Pressure"; String _CoordinateZisPositive "up"; Float32 actual_range 9000.0, 9000.0; String datum "ground"; Int32 Grib_level_type 108; String ioos_category "Pressure"; String long_name "Level at specified pressure difference from ground to level"; String positive "up"; String units "Pa"; } y { String _CoordinateAxisType "GeoY"; Float32 actual_range 1585.61, 2358.11; String ioos_category "Location"; String long_name "Projection Y Coordinate"; String standard_name "projection_y_coordinate"; String units "km"; } x { String _CoordinateAxisType "GeoX"; Float32 actual_range 0.0, 1357.5; String ioos_category "Location"; String long_name "Projection X Coordinate"; String standard_name "projection_x_coordinate"; String units "km"; } Best_4_layer_Lifted_Index_pressure_difference_layer { String abbreviation "4LFTX"; Float64 colorBarMaximum 313.0; Float64 colorBarMinimum 263.0; String Grib2_Generating_Process_Type "Forecast"; String Grib2_Level_Desc "Level at specified pressure difference from ground to level"; Int32 Grib2_Level_Type 108; Int32 Grib2_Parameter 0, 7, 193; String Grib2_Parameter_Category "Thermodynamic stability indices"; String Grib2_Parameter_Discipline "Meteorological products"; String Grib2_Parameter_Name "Best (4 layer) Lifted Index"; String Grib2_Statistical_Process_Type "UnknownStatType--1"; String Grib_Variable_Id "VAR_7-0--1-193_L108_layer"; String ioos_category "Temperature"; String long_name "Best (4 layer) Lifted Index @ Level at specified pressure difference from ground to level layer"; Float32 missing_value NaN; String units "K"; } NC_GLOBAL { String _CoordSysBuilder "ucar.nc2.dataset.conv.CF1Convention"; String Analysis_or_forecast_generating_process_identifier_defined_by_originating_centre "MESO NAM Model (currently 12 km)"; String cdm_data_type "Grid"; String Conventions "CF-1.6, COARDS, ACDD-1.3"; String creator_name "NCEP"; String creator_type "institution"; String creator_url "https://www.ncep.noaa.gov/"; String file_format "GRIB-2"; String GRIB_table_version "2,1"; String grid_mapping__CoordinateAxisTypes "GeoX GeoY"; String grid_mapping__CoordinateTransformType "Projection"; Float64 grid_mapping_earth_radius 6371229.0; Float64 grid_mapping_longitude_of_projection_origin 284.5; String grid_mapping_name "mercator"; Float64 grid_mapping_standard_parallel 20.0; String history "Read using CDM IOSP GribCollection v3 2024-11-21T15:57:47Z https://eds.ioos.us/thredds/dodsC/ioos/nam/puertorico/Best 2024-11-21T15:57:47Z http://upwell.pfeg.noaa.gov/erddap/griddap/ioos_eds_c1b3_2089_3386.das"; String id "ioos/nam/puertorico/Best"; String infoUrl "https://eds.ioos.us/thredds/dodsC/ioos/nam/puertorico/Best.html"; String institution "NCEP"; String keywords "americal, best, Best_4_layer_Lifted_Index_pressure_difference_layer, centers, data, difference, environmental, ground, index, layer, layer1, level, lifted, model, nam, national, ncep, north, prediction, pressure, pressure_difference_layer1, puerto, rico, series, specified, temperature, time, time series"; 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 Originating_or_generating_Center "US National Weather Service, National Centres for Environmental Prediction (NCEP)"; String Originating_or_generating_Subcenter "0"; String sourceUrl "https://eds.ioos.us/thredds/dodsC/ioos/nam/puertorico/Best"; String standard_name_vocabulary "CF Standard Name Table v70"; String summary "Single time dimension: for each forecast time, use GRIB record with smallest offset from reference time"; String testOutOfDate "now+1day"; String time_coverage_end "2021-12-05T18:00:00Z"; String time_coverage_start "2021-11-02T00:00:00Z"; String title "Best NAM Puerto Rico Time Series [time][pressure_difference_layer1][y][x], 2021-present"; String Type_of_generating_process "Forecast"; } }
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.