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What is the NDFD?
As the foundation of the NWS Digital Services Program, the National
Digital Forecast Database (NDFD) consists of gridded forecasts
of sensible weather elements (e.g., cloud cover, maximum temperature).
NDFD contains a seamless mosaic of digital forecasts from NWS field
offices working in collaboration with the National Centers for
Environmental Prediction (NCEP). The database is available for
members of the public to use in creating text, graphic, gridded
and image products of their own. Over time, NWS will offer a wider
array of gridded forecast elements and a larger
set of graphical presentations. Access
to the data and a description of NDFD elements can be found here. The policy directive which establishes the framework for weather, water, and climate services
provided via digital forecast and guidance databases is available for more detailed information.
Find out more about how and why the
NDFD was created,
the weather
elements in NDFD, verification and
future plans.
See the navigation bar on the left for more links.
Images of grids for most NDFD elements are available online.
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www.nws.noaa.gov 
