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    • Snow Data Assimilation System (SNODAS) Data Products at NSIDC, Version 1

    Metadata Updated: April 9, 2026

    Notice: Due to funding limitations, this data set was recently changed to a “Basic” Level of Service. Learn more about what this means for users and how you can share your story here: Level of Service Update for Data Products.

    This data set contains snow pack properties, such as depth and snow water equivalent (SWE), from the NOAA National Weather Service's National Operational Hydrologic Remote Sensing Center (NOHRSC) SNOw Data Assimilation System (SNODAS). SNODAS is a modeling and data assimilation system developed by NOHRSC to provide the best possible estimates of snow cover and associated parameters to support hydrologic modeling and analysis.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    Dates

    Metadata Created Date June 18, 2025
    Metadata Updated Date April 9, 2026

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date June 18, 2025
    Metadata Updated Date April 9, 2026
    Publisher NSIDC;NOAA
    Maintainer
    Identifier 10.7265/N5TB14TC
    Data Last Modified 2026-04-06
    Category Earth Science
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id f60b12de-838a-4dc2-9453-73ec7f562c39
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    License https://www.usa.gov/government-works
    Old Spatial "CARTESIAN",{"WestBoundingCoordinate":-124.7337,"NorthBoundingCoordinate":52.8754,"EastBoundingCoordinate":-66.9421,"SouthBoundingCoordinate":24.9504},{"WestBoundingCoordinate":-130.5171,"NorthBoundingCoordinate":53.9667,"EastBoundingCoordinate":-62.2504,"SouthBoundingCoordinate":24.0996}
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash d98366d3778bc44953f390ea4d788d2b84737f0290992aebdb8f3298d0ed5fd3
    Source Schema Version 1.1
    Spatial

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