Description: The National Operational Hydrologic Remote Sensing Center (NOHRSC) at NOAA produces the SNOw Data Assimilation System (SNODAS) which is a modeling and data assimilation system developed to provide the best possible estimates of snow cover and associated parameters to support hydrologic modeling and analysis.

Organization: NOAA

Spatial resolution: ~1-km (1/120-deg)

Time Span: 2003-10-01 to Present (updated daily)


  • Snow Water Equivalent (SWE)
  • Snow Depth

Website: SNODAS Website

Earth Engine Community Catalog:

  • This SNODAS raster dataset has been ingested into Earth Engine by Climate Engine and are available for use through asset id projects/earthengine-legacy/assets/projects/climate-engine/snodas/daily.
  • For more information, visit:

Terms of Use:

  • As a condition of using these data, you must cite the use of this data set.


  • Barrett, Andrew. 2003. National Operational Hydrologic Remote Sensing Center Snow Data Assimilation System (SNODAS) Products at NSIDC. NSIDC Special Report 11. Boulder, CO USA: National Snow and Ice Data Center. 19 pp.

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