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Dataset Title:  CFSR 3-D Isentropic Level (IPV), Monthly Means Pressure_surface, Temperature_
surface By time, latitude, longitude
  RSS
Institution:  NOAA/NWS/NCEP   (Dataset ID: cfs_reanl_mm_ipvh_by_time12_lat_lon)
Information:  Summary ? | License ? | Metadata | Background | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (UTC) ?      2    59 days (even)
  < slider >
 latitude (degrees_north) ?      361    -0.5 (even)
  < slider >
 longitude (degrees_east) ?      720    0.5 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables) 
 Pressure_surface (Pressure (135_Hour AverageNforecasts) @ Ground or water surface, Pa) ?
 Temperature_surface (Temperature (135_Hour AverageNforecasts) @ Ground or water surface, K) ?

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 actual_range 1.294326e+9, 1.2994236e+9;
    String axis "T";
    String bounds "time12_bounds";
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -90.0, 90.0;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 0.0, 359.5;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Pressure_surface {
    String abbreviation "PRES";
    String coordinates "time12_run time12 lat lon";
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 0, 3, 0;
    String Grib2_Parameter_Category "Mass";
    String Grib2_Parameter_Discipline "Meteorological products";
    String Grib2_Parameter_Name "Pressure";
    String Grib_Statistical_Interval_Type "Average";
    String Grib_Variable_Id "VAR_0-3-0_L1_I135_Hour_S193";
    String grid_mapping "LatLon_Projection";
    String long_name "Pressure (135_Hour AverageNforecasts) @ Ground or water surface";
    Float32 missing_value NaN;
    String units "Pa";
  }
  Temperature_surface {
    String abbreviation "TMP";
    String coordinates "time12_run time12 lat lon";
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 0, 0, 0;
    String Grib2_Parameter_Category "Temperature";
    String Grib2_Parameter_Discipline "Meteorological products";
    String Grib2_Parameter_Name "Temperature";
    String Grib_Statistical_Interval_Type "Average";
    String Grib_Variable_Id "VAR_0-0-0_L1_I135_Hour_S193";
    String grid_mapping "LatLon_Projection";
    String long_name "Temperature (135_Hour AverageNforecasts) @ Ground or water surface";
    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 "Climate Data Assimilation System (CDAS)";
    String cdm_data_type "Grid";
    String Conventions "CF-1.4";
    Float64 Easternmost_Easting 359.5;
    String file_format "GRIB-2";
    Float64 geospatial_lat_max 90.0;
    Float64 geospatial_lat_min -90.0;
    Float64 geospatial_lat_resolution 0.5;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 359.5;
    Float64 geospatial_lon_min 0.0;
    Float64 geospatial_lon_resolution 0.5;
    String geospatial_lon_units "degrees_east";
    String GRIB_table_version "2,1";
    String history 
"Read using CDM IOSP GribCollection v3 ;
FMRC Best Dataset
2024-06-24T17:44:16Z https://www.ncei.noaa.gov/thredds/dodsC/model-cfs_reanl_mm_ipvh_agg/3-D_Isentropic_Level_(IPV),_Monthly_Mean_Aggregation_best.ncd
2024-06-24T17:44:16Z https://www.ncei.noaa.gov/erddap/griddap/cfs_reanl_mm_ipvh_by_time12_lat_lon.das";
    String infoUrl "https://www.ncei.noaa.gov/thredds/catalog/model-cfs_reanl_mm_ipvh_agg/catalog.html?dataset=model-cfs_reanl_mm_ipvh_agg/3-D_Isentropic_Level_(IPV),_Monthly_Mean_Aggregation_best.ncd";
    String institution "NOAA/NWS/NCEP";
    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 "Proto fmrc:3-D_Isentropic_Level_(IPV),_Monthly_Mean_Aggregation";
    Float64 Northernmost_Northing 90.0;
    String Originating_or_generating_Center "US National Weather Service, National Centres for Environmental Prediction (NCEP)";
    String Originating_or_generating_Subcenter "0";
    String sourceUrl "https://www.ncei.noaa.gov/thredds/dodsC/model-cfs_reanl_mm_ipvh_agg/3-D_Isentropic_Level_(IPV),_Monthly_Mean_Aggregation_best.ncd";
    Float64 Southernmost_Northing -90.0;
    String summary "CFSR 3-D Isentropic Level (IPV), Monthly Means Pressure_surface, Temperature_surface Dimensioned By time, latitude, longitude.";
    String time_coverage_end "2011-03-06T15:00:00Z";
    String time_coverage_start "2011-01-06T15:00:00Z";
    String title "CFSR 3-D Isentropic Level (IPV), Monthly Means Pressure_surface, Temperature_surface By time, latitude, longitude";
    String Type_of_generating_process "Forecast";
    Float64 Westernmost_Easting 0.0;
  }
}

 

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/erdBAssta5day.htmlTable?sst[(2007-10-21T00:00:00)][0][(-75):100:(75)][(180):100:(360)]
Thus, the query is often a data variable name (e.g., sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][altitude][latitude][longitude]).

For details, see the griddap Documentation.


 
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