Treatment of slash to reduce fire hazard or for other purposes. Preferred to "brush disposal."

Directions of fire spread as related to rate of spread calculations (in degrees from upslope).

Specified information relating to the intended flight of an aircraft that is filed orally or in writing with an air traffic control facility.

In WIMS, the climatological breakpoints separating the highest staffing levels. Commonly these are the index values corresponding to the 90th and 97th or 80th and 95th percentiles for the staffing index.

The long narrow extensions of a fire projecting from the main body.

Person combining the functions of lookout and dispatcher.

A board or committee selected to review results of fire suppression action on a given unit or the specific action taken on a given fire. The board reviews the results in order to identify reasons for both good and poor action and to recommend or prescribe ways and means of doing an effective and efficient job. Reviews the results of a safety/accident investigation. 

Process by which heat is imparted from one body to another, through conduction, convection, and radiation.

Total firefighting resources available, during a specified period, to conduct and support firefighting operations.

The quantity of moisture in fuel expressed as a percentage of the weight when thoroughly dried at 212 degrees F.