Fire Danger Rating 4 : The process of evaluating fire danger that integrates the effects of selected factors into one or more qualitative or numerical indices to express current danger or protection needs
The Virginia Department of Forestry VDOF, Glossary, Forest Protection and Fire Prevention, Department of Forestry Central Office, Fontaine Research Park, Charlottesville, Virginia, USA 2012. http://www.dof.virginia.gov/fire/glossary.shtml, (For Fr - Amer) {481}