Active Crown Fire 1 : A fire in which a solid flame develops in the crowns of trees, but the surface and crown phases advance as a linked unit dependent on each other
National Wildfire Coordinating Group (NWCG), Glossary of Wildland Fire Terminology, NWCG Program Management Unit, National Interagency Fire Center, Boise, ID, USA 2014. http://www.nwcg.gov/pms/pubs/glossary/pms205.pdf, (For Fr - Amer) {45}