Fuels resulting from natural processes and not directly generated or altered by land management practices.

Fuels resulting from, or altered by, forestry practices such as timber harvest or thinning, as opposed to naturally created fuels.

Quick method of rolling hose for pick up; hose is rolled as a ball of string.

A pre-season agreement for equipment, supplies, or services to be used on fire and all-hazards incidents, issued on a Solicitation/Contract/Order for Commercial Items, SF-1449 form. I-BPAs are awarded on a competitive basis using commercial item procedures.

A fire that remains dormant for a considerable time.

As it refers to atmospheric pressure, a decrease in the central pressure of a low. This is usually accompanied by intensification of the cyclonic circulation (counter-clockwise wind flow around the low).

The leading edge of an expanding air mass.

Instrument for measuring the dependable range of distance at which a standard smoke column can be detected by the unaided eye under existing haze conditions.

Material left to ignite an incendiary fire at a later time.

A fire that advances in the tree crowns alone, not requiring any energy from the surface fire to sustain combustion or movement.