Common forest fire terminology:

• Creeping
  A fire that is spreading slowly over the ground, generally with low flame.
  
  
• Running
  A fire that is rapidly spreading and with a well-defined head.
  
  
• Torching
  A single tree or a small clump of trees is said to "torch" when its foliage ignites and flares up, usually from bottom to top. Synonym: Candle or Candling.
  
  
• Spotting
  A fire producing firebrands carried by the surface wind, a fire whirl, and/or convection column that fall beyond the main fire perimeter and result in spot fires.
  
  
• Crowning
  A fire ascending into the crowns of trees and spreading from crown to crown. Such a fire is known as a Crown Fire.
  
  

Systems

Fire Weather Index (FWI) System and the Fire Behaviour Prediction (FBP) System; two subsystems of the Canadian Forest Fire Danger Rating System (CFFDRS)