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ERDDAP > griddap > Make A Graph ?

Dataset Title:  F18 SSMIS daily products (SSMI F18) Subscribe RSS
Institution:  NOAA   (Dataset ID: RSS_F18SSMIS_AOML)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
Graph Type:  ?
X Axis:  ?
Y Axis:  ?
Color:  ?
 
Dimensions ?    Start ?    Stop ?
time (UTC) ?     specify just 1 value →
    << -
< <
latitude (degrees_north) ?
    +
    -
< slider >
longitude (degrees_east) ?
    +
    -
< slider >
 
Graph Settings
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Draw land mask: 
Y Axis Minimum:   Maximum:   Ascending: 
 
(Please be patient. It may take a while to get the data.)
 
Optional:
Then set the File Type: (File Type information)
and
or view the URL:
(Documentation / Bypass this form ? )
    Click on the map to specify a new center point. ?
Zoom:
[The graph you specified. Please be patient.]

 

Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    Int32 _ChunkSizes 524288;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4967504e+9, 1.5560208e+9;
    String axis "T";
    String calendar "Gregorian";
    String CoordinateAxisType "Time";
    String ioos_category "Time";
    String long_name "Reference Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    Int32 _ChunkSizes 720;
    String _CoordinateAxisType "Lat";
    Float64 actual_range -89.875, 89.875;
    String axis "Y";
    String CoordinateAxisType "Lat";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    Int32 _ChunkSizes 1440;
    String _CoordinateAxisType "Lon";
    Float64 actual_range -179.875, 179.875;
    String axis "X";
    String CoordinateAxisType "Lon";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Time_Ascending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range 0.5, 23.4;
    Float64 colorBarMaximum 24.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Time";
    String long_name "Decimal Hour of the Day, Ascending Passes";
    String standard_name "not defined";
    String units "hour";
    String variable_info "Hour of the Day, Ascending Passes";
  }
  WSPD_MF_Ascending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 32.4;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Wind";
    String long_name "Surface Wind Speed, Medium Frequency, Ascending Passes";
    String standard_name "wind";
    String units "m s-1";
    String variable_info "10-meter Surface Wind Speed, Medium Frequency, Ascending Passes";
  }
  Water_Vapor_Ascending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range 2.1, 75.0;
    Float64 colorBarMaximum 75.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Meteorology";
    String long_name "Atmospheric Water Vapor, Ascending Passes";
    String standard_name "atmosphere_mass_content_of_water_vapor";
    String units "mm";
    String variable_info "Atmospheric Water Vapor, Ascending Passes";
  }
  Cloud_LW_Ascending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range -0.05, 1.68;
    Float64 colorBarMaximum 2.45;
    Float64 colorBarMinimum -0.05;
    String coordsys "geographic";
    String ioos_category "Meteorology";
    String long_name "Cloud Liquid Water, Ascending Passes";
    String standard_name "atmosphere_mass_content_of_cloud_liquid_water";
    String units "mm";
    String variable_info "Cloud Liquid Water, Ascending Passes";
  }
  Rain_Rate_Ascending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 25.0;
    Float64 colorBarMaximum 25.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Meteorology";
    String long_name "Rain Rate, Ascending Passes";
    String standard_name "rainfall_rate";
    String units "mm hr-1";
    String variable_info "Rain Rate, Ascending Passes";
  }
  Time_Descending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 24.0;
    Float64 colorBarMaximum 24.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Time";
    String long_name "Decimal Hour of the Day, Descending Passes";
    String standard_name "not defined";
    String units "hour";
    String variable_info "Hour of the Day, Descending Passes";
  }
  WSPD_MF_Descending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 25.8;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Wind";
    String long_name "Surface Wind Speed, Medium Frequency, Descending Passes";
    String standard_name "wind";
    String units "m s-1";
    String variable_info "10-meter Surface Wind Speed, Medium Frequency, Descending Passes";
  }
  Water_Vapor_Descending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range 1.5, 75.0;
    Float64 colorBarMaximum 75.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Meteorology";
    String long_name "Atmospheric Water Vapor, Descending Passes";
    String standard_name "atmosphere_mass_content_of_water_vapor";
    String units "mm";
    String variable_info "Atmospheric Water Vapor, Descending Passes";
  }
  Cloud_LW_Descending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range -0.05, 1.73;
    Float64 colorBarMaximum 2.45;
    Float64 colorBarMinimum -0.05;
    String coordsys "geographic";
    String ioos_category "Meteorology";
    String long_name "Cloud Liquid Water, Descending Passes";
    String standard_name "atmosphere_mass_content_of_cloud_liquid_water";
    String units "mm";
    String variable_info "Cloud Liquid Water, Descending Passes";
  }
  Rain_Rate_Descending {
    Int32 _ChunkSizes 1, 720, 1440;
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 22.9;
    Float64 colorBarMaximum 25.0;
    Float64 colorBarMinimum 0.0;
    String coordsys "geographic";
    String ioos_category "Meteorology";
    String long_name "Rain Rate, Descending Passes";
    String standard_name "rainfall_rate";
    String units "mm hr-1";
    String variable_info "Rain Rate, Descending Passes";
  }
  NC_GLOBAL {
    String acknowledgement "These SSM/I and SSMIS data are produced by Remote Sensing Systems with support NASA.  Data are available at www.remss.com.  We are grateful to NOAA for access to SSM/I and SSMIS TDR data.";
    String cdm_data_type "Grid";
    String contact "Joaquin.Trinanes@noaa.gov";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "Joaquin.Trinanes@noaa.gov";
    String creator_name "ATLANTIC OCEANWATCH";
    String creator_url "http://cwcgom.aoml.noaa.gov";
    Float64 Easternmost_Easting 179.875;
    Float64 geospatial_lat_max 89.875;
    Float64 geospatial_lat_min -89.875;
    Float64 geospatial_lat_resolution 0.25;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 179.875;
    Float64 geospatial_lon_min -179.875;
    Float64 geospatial_lon_resolution 0.25;
    String geospatial_lon_units "degrees_east";
    String history 
"2019-04-24T00:01:48Z https://cwcgom.aoml.noaa.gov/thredds/dodsC/SSMIS/SSMIS_F18.nc
2019-04-24T00:01:48Z http://cwcgom.aoml.noaa.gov:8080/griddap/RSS_F18SSMIS_AOML.das";
    String history_of_appended_files 
"Tue Apr 23 19:18:40 2019: Appended file rainb.grd had following \"history\" attribute:
Tue Apr 23 19:18:40 2019: ncrename -v z,Rain_Rate_Descending rainb.grd
Tue Apr 23 19:18:40 2019: ncatted -a standard_name,z,c,c,rainfall_rate rainb.grd
Tue Apr 23 19:18:40 2019: ncatted -a ioos_category,z,c,c,Meteorology rainb.grd
Tue Apr 23 19:18:40 2019: ncatted -a variable_info,z,c,c,Rain Rate, Descending Passes rainb.grd
Tue Apr 23 19:18:40 2019: ncatted -a coordsys,z,c,c,geographic rainb.grd
Tue Apr 23 19:18:40 2019: ncatted -a units,z,c,c,mm hr-1 rainb.grd
Tue Apr 23 19:18:40 2019: ncatted -a long_name,z,m,c,Rain Rate, Descending Passes rainb.grd
xyz2grd -Rd -I0.25 -r -: F18_rainb_20190422.txt -Grainb.grd
Tue Apr 23 19:18:39 2019: Appended file cloudb.grd had following \"history\" attribute:
Tue Apr 23 19:18:39 2019: ncrename -v z,Cloud_LW_Descending cloudb.grd
Tue Apr 23 19:18:39 2019: ncatted -a standard_name,z,c,c,atmosphere_mass_content_of_cloud_liquid_water cloudb.grd
Tue Apr 23 19:18:39 2019: ncatted -a ioos_category,z,c,c,Meteorology cloudb.grd
Tue Apr 23 19:18:39 2019: ncatted -a variable_info,z,c,c,Cloud Liquid Water, Descending Passes cloudb.grd
Tue Apr 23 19:18:39 2019: ncatted -a coordsys,z,c,c,geographic cloudb.grd
Tue Apr 23 19:18:39 2019: ncatted -a units,z,c,c,mm cloudb.grd
Tue Apr 23 19:18:39 2019: ncatted -a long_name,z,m,c,Cloud Liquid Water, Descending Passes cloudb.grd
xyz2grd -Rd -I0.25 -r -: F18_cloudb_20190422.txt -Gcloudb.grd
Tue Apr 23 19:18:38 2019: Appended file vaporb.grd had following \"history\" attribute:
Tue Apr 23 19:18:38 2019: ncrename -v z,Water_Vapor_Descending vaporb.grd
Tue Apr 23 19:18:38 2019: ncatted -a standard_name,z,c,c,atmosphere_mass_content_of_water_vapor vaporb.grd
Tue Apr 23 19:18:38 2019: ncatted -a ioos_category,z,c,c,Meteorology vaporb.grd
Tue Apr 23 19:18:38 2019: ncatted -a variable_info,z,c,c,Atmospheric Water Vapor, Descending Passes vaporb.grd
Tue Apr 23 19:18:38 2019: ncatted -a coordsys,z,c,c,geographic vaporb.grd
Tue Apr 23 19:18:38 2019: ncatted -a units,z,c,c,mm vaporb.grd
Tue Apr 23 19:18:38 2019: ncatted -a long_name,z,m,c,Atmospheric Water Vapor, Descending Passes vaporb.grd
xyz2grd -Rd -I0.25 -r -: F18_vaporb_20190422.txt -Gvaporb.grd
Tue Apr 23 19:18:37 2019: Appended file wspd_mfb.grd had following \"history\" attribute:
Tue Apr 23 19:18:37 2019: ncrename -v z,WSPD_MF_Descending wspd_mfb.grd
Tue Apr 23 19:18:37 2019: ncatted -a standard_name,z,c,c,Wind wspd_mfb.grd
Tue Apr 23 19:18:37 2019: ncatted -a ioos_category,z,c,c,Wind wspd_mfb.grd
Tue Apr 23 19:18:37 2019: ncatted -a variable_info,z,c,c,10-meter Surface Wind Speed, Medium Frequency, Descending Passes wspd_mfb.grd
Tue Apr 23 19:18:37 2019: ncatted -a coordsys,z,c,c,geographic wspd_mfb.grd
Tue Apr 23 19:18:37 2019: ncatted -a units,z,c,c,m s-1 wspd_mfb.grd
Tue Apr 23 19:18:37 2019: ncatted -a long_name,z,m,c,Surface Wind Speed, Medium Frequency, Descending Passes wspd_mfb.grd
xyz2grd -Rd -I0.25 -r -: F18_wspd_mfb_20190422.txt -Gwspd_mfb.grd
Tue Apr 23 19:18:36 2019: Appended file timeb.grd had following \"history\" attribute:
Tue Apr 23 19:18:36 2019: ncrename -v z,Time_Descending timeb.grd
Tue Apr 23 19:18:36 2019: ncatted -a ioos_category,z,c,c,Time timeb.grd
Tue Apr 23 19:18:36 2019: ncatted -a standard_name,z,c,c,not defined timeb.grd
Tue Apr 23 19:18:36 2019: ncatted -a variable_info,z,c,c,Hour of the Day, Descending Passes timeb.grd
Tue Apr 23 19:18:36 2019: ncatted -a coordsys,z,c,c,geographic timeb.grd
Tue Apr 23 19:18:35 2019: ncatted -a units,z,c,c,hour timeb.grd
Tue Apr 23 19:18:35 2019: ncatted -a long_name,z,m,c,Decimal Hour of the Day, Descending Passes timeb.grd
xyz2grd -Rd -I0.25 -r -: F18_timeb_20190422.txt -Gtimeb.grd
Tue Apr 23 19:18:34 2019: Appended file raina.grd had following \"history\" attribute:
Tue Apr 23 19:18:34 2019: ncrename -v z,Rain_Rate_Ascending raina.grd
Tue Apr 23 19:18:34 2019: ncatted -a standard_name,z,c,c,rainfall_rate raina.grd
Tue Apr 23 19:18:34 2019: ncatted -a ioos_category,z,c,c,Meteorology raina.grd
Tue Apr 23 19:18:34 2019: ncatted -a variable_info,z,c,c,Rain Rate, Ascending Passes raina.grd
Tue Apr 23 19:18:34 2019: ncatted -a coordsys,z,c,c,geographic raina.grd
Tue Apr 23 19:18:34 2019: ncatted -a units,z,c,c,mm hr-1 raina.grd
Tue Apr 23 19:18:34 2019: ncatted -a long_name,z,m,c,Rain Rate, Ascending Passes raina.grd
xyz2grd -Rd -I0.25 -r -: F18_raina_20190422.txt -Graina.grd
Tue Apr 23 19:18:33 2019: Appended file clouda.grd had following \"history\" attribute:
Tue Apr 23 19:18:33 2019: ncrename -v z,Cloud_LW_Ascending clouda.grd
Tue Apr 23 19:18:33 2019: ncatted -a standard_name,z,c,c,atmosphere_mass_content_of_cloud_liquid_water clouda.grd
Tue Apr 23 19:18:33 2019: ncatted -a ioos_category,z,c,c,Meteorology clouda.grd
Tue Apr 23 19:18:33 2019: ncatted -a variable_info,z,c,c,Cloud Liquid Water, Ascending Passes clouda.grd
Tue Apr 23 19:18:33 2019: ncatted -a coordsys,z,c,c,geographic clouda.grd
Tue Apr 23 19:18:33 2019: ncatted -a units,z,c,c,mm clouda.grd
Tue Apr 23 19:18:33 2019: ncatted -a long_name,z,m,c,Cloud Liquid Water, Ascending Passes clouda.grd
xyz2grd -Rd -I0.25 -r -: F18_clouda_20190422.txt -Gclouda.grd
Tue Apr 23 19:18:32 2019: Appended file vapora.grd had following \"history\" attribute:
Tue Apr 23 19:18:32 2019: ncrename -v z,Water_Vapor_Ascending vapora.grd
Tue Apr 23 19:18:32 2019: ncatted -a standard_name,z,c,c,atmosphere_mass_content_of_water_vapor vapora.grd
Tue Apr 23 19:18:32 2019: ncatted -a ioos_category,z,c,c,Meteorology vapora.grd
Tue Apr 23 19:18:32 2019: ncatted -a variable_info,z,c,c,Atmospheric Water Vapor, Ascending Passes vapora.grd
Tue Apr 23 19:18:32 2019: ncatted -a coordsys,z,c,c,geographic vapora.grd
Tue Apr 23 19:18:32 2019: ncatted -a units,z,c,c,mm vapora.grd
Tue Apr 23 19:18:32 2019: ncatted -a long_name,z,m,c,Atmospheric Water Vapor, Ascending Passes vapora.grd
xyz2grd -Rd -I0.25 -r -: F18_vapora_20190422.txt -Gvapora.grd
Tue Apr 23 19:18:31 2019: Appended file wspd_mfa.grd had following \"history\" attribute:
Tue Apr 23 19:18:31 2019: ncrename -v z,WSPD_MF_Ascending wspd_mfa.grd
Tue Apr 23 19:18:31 2019: ncatted -a standard_name,z,c,c,Wind wspd_mfa.grd
Tue Apr 23 19:18:31 2019: ncatted -a ioos_category,z,c,c,Wind wspd_mfa.grd
Tue Apr 23 19:18:31 2019: ncatted -a variable_info,z,c,c,10-meter Surface Wind Speed, Medium Frequency, Ascending Passes wspd_mfa.grd
Tue Apr 23 19:18:31 2019: ncatted -a coordsys,z,c,c,geographic wspd_mfa.grd
Tue Apr 23 19:18:31 2019: ncatted -a units,z,c,c,m s-1 wspd_mfa.grd
Tue Apr 23 19:18:31 2019: ncatted -a long_name,z,m,c,Surface Wind Speed, Medium Frequency, Ascending Passes wspd_mfa.grd
xyz2grd -Rd -I0.25 -r -: F18_wspd_mfa_20190422.txt -Gwspd_mfa.grd";
    String infoUrl "https://cwcgom.aoml.noaa.gov/thredds/dodsC/SSMIS/SSMIS_F18.nc.html";
    String institution "NOAA";
    String keywords "ascending, atmosphere, atmosphere_mass_content_of_cloud_liquid_water, atmosphere_mass_content_of_water_vapor, atmospheric, cloud, cloud cover, Cloud_LW_Ascending, Cloud_LW_Descending, cloudiness, clouds, content, cover, daily, data, day, decimal, defined, descending, earth, Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor, Earth Science > Atmosphere > Clouds > Cloud Liquid Water/Ice, Earth Science > Atmosphere > Precipitation > Precipitation Rate, Earth Science > Atmosphere > Precipitation > Rain, environments, f18, frequency, hour, ice, liquid, making, mass, measures, medium, meteorology, noaa, not, not defined, passes, precipitation, products, rain, Rain_Rate_Ascending, Rain_Rate_Descending, rainfall, rainfall_rate, rate, records, remote, remss, research, sensing, speed, ssm, ssmi, surface, system, systems, time, Time_Ascending, Time_Descending, use, vapor, water, Water_Vapor_Ascending, Water_Vapor_Descending, wind, WSPD_MF_Ascending, WSPD_MF_Descending";
    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.";
    Int32 nco_openmp_thread_number 1;
    Float64 Northernmost_Northing 89.875;
    String source_data "Remote Sensing Systems";
    String sourceUrl "https://cwcgom.aoml.noaa.gov/thredds/dodsC/SSMIS/SSMIS_F18.nc";
    Float64 Southernmost_Northing -89.875;
    String spatial_resolution "0.25 degrees";
    String standard_name_vocabulary "CF Standard Name Table v32";
    String summary "These Special Sensor Microwave/Imager (SSM/I) and Special Sensor Microwave Imager Sounder (SSMIS) data products are produced as part of the NASA's Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program. Remote Sensing Systems generates SSM/I and SSMIS data products using a unified, physically based algorithm to simultaneously retrieve the products. This algorithm is a product of 20 years of refinements, improvements, and verifications.nThe daily files consist of over-ocean measurements (geophysical retrievals or parameters) mapped to a regular 0.25-degree grid complete with data gaps between orbits. Two maps exist for each parameter, one of ascending orbit segments and the other of descending orbit segments. Data on each of the segment maps are averaged where successive orbits cross and are overwritten at the seam or region where the last orbit of the day overlaps the first orbit of the day. Daily data files contain time maps consisting of the UTC observation time for each set of passes (ascending and descending).n Gridded data are organized according to observation date. All dates and times are Coordinated Universal Time (UTC), also known as Greenwich Mean Time (GMT), Zulu Time (Z), Universal Time (UT), and World Time.";
    Float64 temporal_extent 86400.0;
    String temporal_extent_unit "seconds";
    String time_coverage_end "2019-04-23T12:00:00Z";
    String time_coverage_start "2017-06-06T12:00:00Z";
    String title "F18 SSMIS daily products (SSMI F18)";
    Float64 Westernmost_Easting -179.875;
  }
}

 

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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