Smoke which becomes visible only at intervals.

The agency having responsibility either geographical or functional, related to their legal responsibilities and authorities.

Arsonist, especially a repetitive firesetter.

The decrease in concentration of airborne pollutants as they spread throughout an increasing volume of atmosphere.

A control strategy used in managing smoke from prescribed fires in which smoke concentration is reduced by diluting it through a greater volume of air, either by scheduling during good dispersion conditions or burning at a slower rate.

In WIMS, a one-digit number representing the number of decision points used to evaluate the magnitude of the Staffing Index.

Setting fire inside a control line to consume fuel located between the edge of the fire and the control line.

Any real or potential condition that can cause injury, illness or death of personnel, or damage to, or loss of equipment or property. The root cause of an unwanted outcome.

Any excess personal property not required for the needs and the discharge of the responsibilities of all federal agencies as determined by the General Services Administration (GSA).

The capability to move, position, and utilize established forces to meet existing and anticipated fire protection needs nationwide.