An offender who sets two fires at one site, at the same time, in a single event.

To drop retardant in such a way that the load slightly overlaps and links a previous drop. "Extend your last drop."

The symbol of the Cooperative Forest Fire Prevention Program since 1945. Smokey's image is protected by US Federal Law and is administered by the USDA Forest Service, the National Association of State Foresters and the Ad Council.

An area of relatively low atmospheric pressure in which winds tend to move in a counterclockwise direction, spiraling in toward the low's center.

The organizational unit responsible for the incident activities.

A broad statement, specified in a land/resource management or fire management plan that identifies change in water, soil, air, or vegetation from the present to proposed conditions, or describes an existing resource condition that should be maintained. Strategic objectives deal with large areas over long time periods and project intended outcomes of management activities that contribute to the maintenance or achievement of desired conditions. 

A form and process, used by wildland firefighting agencies, for reporting and resolving incidents relating to firefighter safety. The information collected is used to determine long-term trends and problem areas within the wildland fire industry.

A mass of gas undergoing rapid combustion, generally accompanied by evolution of sensible heat and incandescence.

An area identified by an air quality regulatory agency through ambient air monitoring (and designated by the Environmental Protection Agency), that presently exceeds federal ambient air standards.

Two or more wildfires that burn together to form a single burned area and which, by management action, may be declared merged and managed as a single incident to improve efficiency and simplify incident management processes.