Burning Index 3 : A numerical measurement of the difficulty of fire containment. Based on spread component and fire intensity. A number that describes anticipated fire behavior and how difficult it will be to control the fire
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}