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National Operational Hydrologic
Remote Sensing Center

National Gridded Snowfall Analysis

The National Gridded Snowfall Analysis estimates snowfall in the recent past by gathering several operational data sets into a unified analysis. Snowfall observations are provided by numerous observing networks, including ASOS, COOP, CoCoRaHS, FAA, NWS spotters, and others.

  • The 24, 48, and 72 hour accumulations can also be browsed on an interactive map. (Look under the "Select Physical Element" dropdown for "SF Analysis" items.)
  • The climatological snowfall to liquid equivalent ratio (SLR) data used to generate the snowfall background (first guess) are available here.
  • For more information on the National Gridded Snowfall Analysis, see the Product Description Document (PDD).
  • For product questions, contact shawn DOT carter AT noaa DOT gov. For technical questions, contact gregory DOT fall AT noaa DOT gov.
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National Operational Hydrologic Remote Sensing Center
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Chanhassen, MN 55317

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Page last modified: Oct 31, 2022 - cloud
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