An on-going process of gathering information by observation and by communication with others. This information is integrated to create an individual's perception of a given situation.

Creating a seal with foam which prevents a release of flammable vapors from fuels.

Those Geographic Area and National-level fire weather or fire danger services and products produced by wildland fire agency meteorologists and intelligence staffs in support of resource allocation and prioritization.

That portion of the fire with rapid fire spread with higher intensity which is normally burning with the wind and/or up slope.

A fire spreading or set to spread with the wind.

Burning by means of strip firing.

Amount of heat released to the atmosphere from the convective-lift fire phase of a fire per unit time.

A wildland fire that is controlled by a strong consistent wind.

A line or set of lines, usually in 50' increments, used in external load operations that allow the helicopter to place loads in areas in which the helicopter could not safely land.

The general term used to describe the maximum overnight value of atmospheric relative humidity.