FEMA and the National Oceanic and Atmospheric Administration Release the Snow Climatology Database

FEMA is pleased to announce the release of the new National Oceanic and Atmospheric Administration (NOAA) National Center for Environmental Information’s (NCEI) Snow Climatology Database (SCDB). The new, updated database presents the largest official one-day, two-day, and three-day snowfall accumulations for nearly all counties and county-equivalents within the United States.

 

The NCEI SCDB is available to the public on NOAA’s website at www.ncdc.noaa.gov/snow-and-ice/snowfall-extremes/ for historic one-day, two-day, and three-day snowfall accumulations and www.ncdc.noaa.gov/snow-and-ice/daily-snow/ for daily snowfall reports. FEMA will be using the database to assess state and tribal requests for snow assistance for all severe winter storm events declared on or after January 1, 2017.

 

While FEMA may continue to consider other measurements that can be validated by the National Weather Service (NWS) to determine record or near-record snowfall, FEMA will primarily rely on snowfall measurements provided by NCEI in the SCDB. The SCDB will always be the first source FEMA uses to validate measurements provided by state, tribal, or local governments requesting snow assistance. For additional information on FEMA’s snow assistance policy, please reference the FEMA Public Assistance Program and Policy Guide.

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