The likelihood a wildland fire event will require mobilization of additional resources from outside the area in which the fire situation originates.

Sum of constant danger and variable danger factors affecting the inception, spread, and resistance to control, and subsequent fire damage; often expressed as an index.

A fire management system that integrates the effects of selected fire danger factors into one or more qualitative or numerical indices of current protection needs.

A public information description of the relative severity of the current fire danger situation.

Procedure by which the flow from two fire pumps is combined into one hose line.

The policies and practices implemented by air and natural resource managers directed at minimizing the amount of smoke entering populated areas or impacting sensitive sites, avoiding significant deterioration of air quality and violations of National Ambient Air Quality Standards, and mitigating human-caused visibility impacts in Class I areas. 

Refers to federal, state, and local cooperative fire programs.

A steel tracked vehicle with or without a front mounted blade equipped with a plow for exposing mineral soil. Sometimes a tractor plow with a front mounted blade is referred to as a dozer plow.

A rubber tired or tracked rider-controlled automotive vehicle, used in wildland fire management for pulling a disk or a plow to construct fireline by exposing mineral soil.

Any steel tracked vehicle equipped with a front mounted blade used for exposing mineral soil.