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Historical Unidata Internet Data Distribution (IDD) Gridded Model Data

| DOI: 10.5065/549X-KE89

This historical dataset is recommended for ancillary use only and not as a primary research dataset. It has likely been superseded by a newer, improved dataset.


Historical Unidata Internet Data Distribution (IDD) Gridded Model Data are obtained via the Unidata Internet Data Distribution System (IDD). Data includes gridded analyses and forecasts from US National Centers for Environmental Prediction (NCEP) and European Centre for Medium-Range Weather Forecasts (ECMWF) models. Models include NCEP ETA, NAM and RUC covering the Continental US, NCEP Ensemble and GFS covering North America and the globe, and GFS Extended and ECMWF covering the globe, at various spatial and temporal resolutions. Potential variables found in the model output include pressure, relative humidity, temperature, geopotential height, zonal component wind speed, and V-component wind speed.

Temporal Range:
2006-11-01 00:00 +0000 to 2021-10-09 06:00 +0000 (Entire dataset) Period details by dataset product
Air Temperature Geopotential Height Gravity Wave Heat Flux
Hydrostatic Pressure Longwave Radiation Maximum/Minimum Temperature Planetary Boundary Layer Height
Potential Temperature Potential Temperature Pressure Tendency Sea Level Pressure
Shortwave Radiation Surface Pressure Tropopause Tropospheric Ozone
Upper Air Temperature Visibility
GRIB2 parameter table: HTML | XML
Vertical Levels:
See the detailed metadata for level information.
Data Types:
Spatial Coverage:
Longitude Range: Westernmost=180W Easternmost=180E
Latitude Range: Southernmost=90S Northernmost=90N Detailed coverage information
Data Contributors:
European Centre for Medium-Range Weather Forecasts
Unidata, University Corporation for Atmospheric Research
National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
Total Volume:
163.31 TB (Entire dataset) Volume details by dataset product
Data Formats:
Related RDA Datasets:
NCEP FNL Operational Model Global Tropospheric Analyses, continuing from July 1999
NCEP GDAS/FNL 0.25 Degree Global Tropospheric Analyses and Forecast Grids
NCEP GFS 0.25 Degree Global Forecast Grids Historical Archive
NCEP GFS 0.25 Degree Global Forecast Auxiliary Grids Historical Archive
NCEP GDAS/FNL Global Surface Flux Grids
Historical Unidata Internet Data Distribution (IDD) Global Observational Data
NCEP North American Regional Reanalysis (NARR)
GCIP NCEP Eta model output
Japanese 25-year Reanalysis Project
ERA-Interim Project
More Details:
View a more detailed summary of the data, including specific date ranges and locations by parameter
Metadata Record:
Data License:
Citation counts are compiled through information provided by publicly-accessible APIs according to the guidelines developed through the project. If journals do not provide citation information to these publicly-accessible services, then this citation information will not be included in RDA citation counts. Additionally citations that include dataset DOIs are the only types included in these counts, so legacy citations without DOIs, references found in publication acknowledgements, or references to a related publication that describes a dataset will not be included in these counts.