A near scale depiction of the scene based on measurements and data.

Fast-drying fuels, generally with a comparatively high surface area-to-volume ratio, which are less than 1/4-inch in diameter and have a timelag of 1 hour or less. These fuels readily ignite and are rapidly consumed by fire when dry.

Condition or degree of being completely ready to cope with a potential fire situation.

A federal law enacted to ensure that air quality standards are attained and maintained. Initially passed by Congress in 1963, it has been amended several times.

Any body of water including lakes, rivers, streams and ponds whether or not they contain aquatic life.

A group, typically consisting of agency administrators or executives from organizations, or their designees, that provides policy guidance to incident personnel, supports resource prioritization and allocation, and enables decision making among elected and appointed officials and senior executives in other organizations, as well as those directly responsible for incident management.

Positive displacement pump which uses closely meshed gears to propel water when high pressures and low volumes are desired; can be used safely only with clear water-- suspended particles of soil or rocks can quickly wear the gears and reduce pressure and volume of water. 

Determination of position by one or more radio navigational aids.

Localized storm characterized by one or more electrical discharge(s).

Unwanted tree parts (crowns, logs, uprooted stumps) remaining after harvest.