A general term used to express an assessment of fixed and variable factors such as fire risk, fuels, weather and topography which influence whether fires will start, spread and do damage; also the degree of control difficulty to be expected.

an assessment of both fixed and variable factors of the fire environment, which determine the ease of ignition, rate of spread, difficulty of control, and the fire impact.

The result of both constant and variable factors that determine whether fires will start, spread, and do damage, and the estimated difficulty d control.

A measure of the likelihood of a forest fire, based on temperature, relative humidity, wind force and direction, and the dryness of the woods. Often proclaimed on roadside signs in National Forests, including the Superior.