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| Grid DAP Data | Sub- set | Table DAP Data | Make A Graph | W M S | Source Data Files | Acces- sible
| Title | Sum- mary | FGDC, ISO, Metadata | Back- ground Info | RSS | E | Institution | Dataset ID | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| data | graph | M | files | public | NCEP Global Data Assimilation System GDAS, Daily, 1980-Present |
| F I M | background
| 
| 
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| ncep_gdas_global |
| Row Type | Variable Name | Attribute Name | Data Type | Value |
|---|---|---|---|---|
| attribute | NC_GLOBAL | cdm_data_type | String | Grid |
| attribute | NC_GLOBAL | Conventions | String | CF-1.10, COARDS, ACDD-1.3 |
| attribute | NC_GLOBAL | creator_email | String | psl.data at noaa.gov |
| attribute | NC_GLOBAL | creator_name | String | NOAA PSL |
| attribute | NC_GLOBAL | creator_type | String | institution |
| attribute | NC_GLOBAL | creator_url | String | https://www.ncep.noaa.gov/ |
| attribute | NC_GLOBAL | dataset_title | String | NCEP Global Data Assimilation System GDAS |
| attribute | NC_GLOBAL | delta_time | String | once daily |
| attribute | NC_GLOBAL | Easternmost_Easting | double | 357.5 |
| attribute | NC_GLOBAL | geospatial_lat_max | double | 90.0 |
| attribute | NC_GLOBAL | geospatial_lat_min | double | -90.0 |
| attribute | NC_GLOBAL | geospatial_lat_resolution | double | 2.5 |
| attribute | NC_GLOBAL | geospatial_lat_units | String | degrees_north |
| attribute | NC_GLOBAL | geospatial_lon_max | double | 357.5 |
| attribute | NC_GLOBAL | geospatial_lon_min | double | 0.0 |
| attribute | NC_GLOBAL | geospatial_lon_resolution | double | 2.5 |
| attribute | NC_GLOBAL | geospatial_lon_units | String | degrees_east |
| attribute | NC_GLOBAL | history | String | /home/hoop/crdc/oldCRDC2COARDSv3/oldCRDC2COARDS Thu Dec 14 17:03:06 1995 from slp.82.nc created 7/21/93 by C. Smith (netCDF2.3) |
| attribute | NC_GLOBAL | id | String | ncep_gdas_global |
| attribute | NC_GLOBAL | infoUrl | String | https://www.psl.noaa.gov/data/gridded/data.ncep.html |
| attribute | NC_GLOBAL | institution | String | NOAA/OAR/ESRL Physical Sciences Laboratory |
| attribute | NC_GLOBAL | keywords | String | 1980-present, air, air_pressure_at_mean_sea_level, air_temperature, altitude, assimilation, atmosphere, atmosphere_mass_content_of_water_vapor, atmospheric, boundary, centers, content, daily, data, day, earth, Earth Science > Atmosphere > Altitude > Tropopause, Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements, Earth Science > Atmosphere > Atmospheric Pressure > Planetary Boundary Layer Height, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Pressure > Surface Pressure, Earth Science > Atmosphere > Atmospheric Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Temperature > Surface Air Temperature, Earth Science > Atmosphere > Atmospheric Water Vapor > Humidity, Earth Science > Atmosphere > Atmospheric Water Vapor > Precipitable Water, Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, eastward, eastward_wind, environmental, esrl, gdas, global, height, humidity, laboratory, latitude, layer, level, longitude, mass, mean, measurements, meteorology, national, ncep, noaa, northward, northward_wind, oar, oceanic, office, physical, planetary, pr_wtr, precipitable, prediction, present, pressure, relative, relative_humidity, research, rhum, science, sciences, sea, seawater, slp, speed, srfp, station, surface, surface_air_pressure, system, temperature, time, tropopause, tropopause_air_pressure, trpp, twice, uwnd, vapor, vwnd, water, wind, winds |
| attribute | NC_GLOBAL | keywords_vocabulary | String | GCMD Science Keywords |
| attribute | NC_GLOBAL | license | String | 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. |
| attribute | NC_GLOBAL | naming_authority | String | gov.noaa.pfeg.coastwatch |
| attribute | NC_GLOBAL | Northernmost_Northing | double | 90.0 |
| attribute | NC_GLOBAL | platform | String | Model |
| attribute | NC_GLOBAL | processing_level | String | Level 4 |
| attribute | NC_GLOBAL | producer | String | NCEP |
| attribute | NC_GLOBAL | project | String | NCEP Global Data Assimilation System GDAS |
| attribute | NC_GLOBAL | publisher_name | String | NOAA/NMFS/SWFSC |
| attribute | NC_GLOBAL | publisher_type | String | institution |
| attribute | NC_GLOBAL | publisher_url | String | https://coastwatch.pfeg.noaa.gov/ |
| attribute | NC_GLOBAL | references | String | https://www.psl.noaa.gov/data/gridded/data.ncep.html |
| attribute | NC_GLOBAL | sourceUrl | String | (local files) |
| attribute | NC_GLOBAL | Southernmost_Northing | double | -90.0 |
| attribute | NC_GLOBAL | standard_name_vocabulary | String | CF Standard Name Table v70 |
| attribute | NC_GLOBAL | summary | String | NCEP Global Data Assimilation System GDAS. Data is from National Centers for Environmental Prediction (NCEP) initialized analysis. It consists of most variables interpolated to pressure surfaces from model (sigma) surfaces. Data is averged from 2x daily |
| attribute | NC_GLOBAL | supplier | String | NCEP |
| attribute | NC_GLOBAL | time_coverage_end | String | 2026-07-11T00:00:00Z |
| attribute | NC_GLOBAL | time_coverage_resolution | String | P1D |
| attribute | NC_GLOBAL | time_coverage_start | String | 1980-01-01T00:00:00Z |
| attribute | NC_GLOBAL | title | String | NCEP Global Data Assimilation System GDAS, Daily, 1980-Present |
| attribute | NC_GLOBAL | Westernmost_Easting | double | 0.0 |
| dimension | time | double | nValues=16994, evenlySpaced=true, averageSpacing=1 day | |
| attribute | time | _CoordinateAxisType | String | Time |
| attribute | time | actual_range | double | 3.155328E8, 1.783728E9 |
| attribute | time | axis | String | T |
| attribute | time | delta_t | String | 0000-00-01 00:00:00 |
| attribute | time | ioos_category | String | Time |
| attribute | time | long_name | String | Time |
| attribute | time | standard_name | String | time |
| attribute | time | time_origin | String | 01-JAN-1970 00:00:00 |
| attribute | time | units | String | seconds since 1970-01-01T00:00:00Z |
| dimension | latitude | float | nValues=73, evenlySpaced=true, averageSpacing=-2.5 | |
| attribute | latitude | _CoordinateAxisType | String | Lat |
| attribute | latitude | actual_range | float | -90.0, 90.0 |
| attribute | latitude | axis | String | Y |
| attribute | latitude | ioos_category | String | Location |
| attribute | latitude | long_name | String | Latitude |
| attribute | latitude | standard_name | String | latitude |
| attribute | latitude | units | String | degrees_north |
| dimension | longitude | float | nValues=144, evenlySpaced=true, averageSpacing=2.5 | |
| attribute | longitude | _CoordinateAxisType | String | Lon |
| attribute | longitude | actual_range | float | 0.0, 357.5 |
| attribute | longitude | axis | String | X |
| attribute | longitude | ioos_category | String | Location |
| attribute | longitude | long_name | String | Longitude |
| attribute | longitude | standard_name | String | longitude |
| attribute | longitude | units | String | degrees_east |
| variable | sea_level_pressure | float | time, latitude, longitude | |
| attribute | sea_level_pressure | _FillValue | float | 1530.32 |
| attribute | sea_level_pressure | colorBarMaximum | double | 1050.0 |
| attribute | sea_level_pressure | colorBarMinimum | double | 950.0 |
| attribute | sea_level_pressure | comment | String | Data is from NMC initialized analysis (2x/day). It consists of most variables interpolated to the surface from model (sigma) surfaces. |
| attribute | sea_level_pressure | ioos_category | String | Pressure |
| attribute | sea_level_pressure | level_desc | String | Sea Level |
| attribute | sea_level_pressure | long_name | String | Sea Level Pressure |
| attribute | sea_level_pressure | missing_value | float | 1530.32 |
| attribute | sea_level_pressure | parent_stat | String | Individual Obs |
| attribute | sea_level_pressure | precision | short | 2 |
| attribute | sea_level_pressure | standard_name | String | air_pressure_at_mean_sea_level |
| attribute | sea_level_pressure | statistic | String | Mean |
| attribute | sea_level_pressure | units | String | mbar |
| attribute | sea_level_pressure | valid_range | float | 875.0, 1150.0 |
| attribute | sea_level_pressure | var_desc | String | Sea level pressure |
| variable | windspeed_u | float | time, latitude, longitude | |
| attribute | windspeed_u | _FillValue | float | 530.32 |
| attribute | windspeed_u | colorBarMaximum | double | 15.0 |
| attribute | windspeed_u | colorBarMinimum | double | -15.0 |
| attribute | windspeed_u | comment | String | Data is from NMC initialized analysis (2x/day). It consists of most variables interpolated to the surface from model (sigma) surfaces. |
| attribute | windspeed_u | height | float | 10.0 |
| attribute | windspeed_u | height_units | String | m |
| attribute | windspeed_u | ioos_category | String | Wind |
| attribute | windspeed_u | level_desc | String | Surface |
| attribute | windspeed_u | long_name | String | Eastward Surface Wind Speed |
| attribute | windspeed_u | missing_value | float | 530.32 |
| attribute | windspeed_u | parent_stat | String | Individual Obs |
| attribute | windspeed_u | standard_name | String | eastward_wind |
| attribute | windspeed_u | statistic | String | Mean |
| attribute | windspeed_u | units | String | m s-1 |
| attribute | windspeed_u | valid_range | float | -125.0, 150.0 |
| attribute | windspeed_u | var_desc | String | u-wind |
| variable | windspeed_v | float | time, latitude, longitude | |
| attribute | windspeed_v | _FillValue | float | 530.32 |
| attribute | windspeed_v | colorBarMaximum | double | 15.0 |
| attribute | windspeed_v | colorBarMinimum | double | -15.0 |
| attribute | windspeed_v | comment | String | Data is from NMC initialized analysis (2x/day). It consists of most variables interpolated to the surface from model (sigma) surfaces. |
| attribute | windspeed_v | height | float | 10.0 |
| attribute | windspeed_v | height_units | String | m |
| attribute | windspeed_v | ioos_category | String | Wind |
| attribute | windspeed_v | level_desc | String | Surface |
| attribute | windspeed_v | long_name | String | Northward Surface Wind Speed |
| attribute | windspeed_v | missing_value | float | 530.32 |
| attribute | windspeed_v | parent_stat | String | Individual Obs |
| attribute | windspeed_v | standard_name | String | northward_wind |
| attribute | windspeed_v | statistic | String | Mean |
| attribute | windspeed_v | units | String | m s-1 |
| attribute | windspeed_v | valid_range | float | -125.0, 150.0 |
| attribute | windspeed_v | var_desc | String | v-wind |
| variable | air_temperature | float | time, latitude, longitude | |
| attribute | air_temperature | _FillValue | float | 805.32 |
| attribute | air_temperature | colorBarMaximum | double | 313.0 |
| attribute | air_temperature | colorBarMinimum | double | 263.0 |
| attribute | air_temperature | comment | String | Air Temperature |
| attribute | air_temperature | ioos_category | String | Temperature |
| attribute | air_temperature | level_desc | String | Surface |
| attribute | air_temperature | long_name | String | Air Temperature |
| attribute | air_temperature | missing_value | float | 805.32 |
| attribute | air_temperature | standard_name | String | air_temperature |
| attribute | air_temperature | statistic | String | Mean |
| attribute | air_temperature | units | String | K |
| variable | water_content | float | time, latitude, longitude | |
| attribute | water_content | _FillValue | float | 645.32 |
| attribute | water_content | colorBarMaximum | double | 75.0 |
| attribute | water_content | colorBarMinimum | double | 0.0 |
| attribute | water_content | comment | String | Entire Atmosphere Considered As a Single Layer |
| attribute | water_content | ioos_category | String | Meteorology |
| attribute | water_content | long_name | String | Precipitable Water Content |
| attribute | water_content | missing_value | float | 645.32 |
| attribute | water_content | parent_stat | String | Individual Obs |
| attribute | water_content | standard_name | String | atmosphere_mass_content_of_water_vapor |
| attribute | water_content | statistic | String | Mean |
| attribute | water_content | units | String | kg m-2 |
| attribute | water_content | valid_range | float | -10.0, 150.0 |
| attribute | water_content | var_desc | String | Precipitable Water Content |
| variable | relative_humidity | float | time, latitude, longitude | |
| attribute | relative_humidity | _FillValue | float | 630.32 |
| attribute | relative_humidity | colorBarMaximum | double | 100.0 |
| attribute | relative_humidity | colorBarMinimum | double | 0.0 |
| attribute | relative_humidity | ioos_category | String | Meteorology |
| attribute | relative_humidity | level_desc | String | Surface |
| attribute | relative_humidity | long_name | String | Relative Humidity |
| attribute | relative_humidity | missing_value | float | 630.31 |
| attribute | relative_humidity | parent_stat | String | Individual Obs |
| attribute | relative_humidity | standard_name | String | relative_humidity |
| attribute | relative_humidity | statistic | String | Mean |
| attribute | relative_humidity | units | String | percent |
| attribute | relative_humidity | valid_range | float | -25.0, 125.0 |
| attribute | relative_humidity | var_desc | String | Relative humidity |
| variable | station_pressure | float | time, latitude, longitude | |
| attribute | station_pressure | _FillValue | float | 9.96921E36 |
| attribute | station_pressure | colorBarMaximum | double | 1050.0 |
| attribute | station_pressure | colorBarMinimum | double | 950.0 |
| attribute | station_pressure | comment | String | The actual, unadjusted atmospheric pressure measured at the station's real elevation |
| attribute | station_pressure | ioos_category | String | Pressure |
| attribute | station_pressure | level_desc | String | Surface |
| attribute | station_pressure | long_name | String | Station / Surface Pressure |
| attribute | station_pressure | missing_value | float | 9.96921E36 |
| attribute | station_pressure | parent_stat | String | Individual Obs |
| attribute | station_pressure | standard_name | String | surface_air_pressure |
| attribute | station_pressure | statistic | String | Mean |
| attribute | station_pressure | units | String | mbar |
| attribute | station_pressure | valid_range | float | 400.0, 1100.0 |
| variable | tropo_pressure | float | time, latitude, longitude | |
| attribute | tropo_pressure | _FillValue | float | 9.96921E36 |
| attribute | tropo_pressure | colorBarMaximum | double | 500.0 |
| attribute | tropo_pressure | colorBarMinimum | double | 0.0 |
| attribute | tropo_pressure | ioos_category | String | Pressure |
| attribute | tropo_pressure | level_desc | String | Tropopause |
| attribute | tropo_pressure | long_name | String | Tropopause Air Pressure |
| attribute | tropo_pressure | missing_value | float | 9.96921E36 |
| attribute | tropo_pressure | parent_stat | String | Individual obs |
| attribute | tropo_pressure | standard_name | String | tropopause_air_pressure |
| attribute | tropo_pressure | statistic | String | Mean |
| attribute | tropo_pressure | units | String | mbar |
| attribute | tropo_pressure | valid_range | float | 10.0, 700.0 |
| attribute | tropo_pressure | var_desc | String | Tropopause Pressure |
The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.