Official group or organization compelled and authorized under statutes or law to control fires within a designated area or upon designated lands.

The agency responsible for providing direct incident management and services to a given area pursuant to its jurisdictional responsibility or as specified by law, contract or agreement.

A term historically used to indicate the agency or unit with jurisdiction or protection responsibilities or who was financially responsible for the incident response. Its use is not recommended.

The entity responsible for providing direct incident management and services to a given area pursuant to its jurisdictional responsibility or as specified by law, contract or agreement.

The burning of the foliage of a single tree or a small group of trees, from the bottom up.

Indicates that the airtanker has the target in sight and will make a retardant drop on this run over the target.

A mop up term. To "bone yard" a fire means to systematically work the entire area, scraping embers off remaining fuel, feeling for heat with the hands, and piling unburned materials in areas cleared to mineral soil.

According to the American Meteorological Society, the bottom layer of the troposhpere that is in contact with the surface of the earth. It is often turbulent and is capped by a statically stable layer of air or temperature inversion.

Repeat burning of an area over which a fire has previously passed, but left fuel that later ignites when burning conditions are more favorable.

The point or points of origin of an incendiary fire.