Definitions for "NFDRS"
Keywords:  usda, topography, fuels, danger, fire
National Fire Danger Rating System. A uniform fire danger rating system that focuses on the environmental factors that control the moisture content of fuels.
National Fire Danger Rating System. The method currently used by the USDA Forest Service, and many other organizations to integrate the effects of topography, fuels, and weather into numerical indices of fire danger on a day-to-day basis.