Fire Danger Rating 3 : A fire management system that integrates the effects of selected fire danger factors into one or more qualitative or numerical indices of current protection needs. See: fire danger
US Forest Service, Glossary of Fire Behavior & Fire Weather Terms, Washington, D.C., USA 2010. http://www.erh.noaa.gov/phi/fire_glossary.htm, (For Fr - Amer) {505}