Crown Out 6 : With reference to wildland fire, to rise from ground level and begin advancing through the vegetation crowns. To intermittently ignite the crowns as the surface fire advances
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}