The location of the communications unit and the message center.

According to the American Meteorological Society, the height ascribed to the lowest layer of clouds or obscuring phenomena when it is reported as broken, overcast, or obscuration and not classified "thin" or "partial." The ceiling is termed unlimited when the foregoing conditions are not satisfied.

A condition when the prevailing visibility is less than 3 miles (5 km) and rapidly increases and decreases by one or more reportable values during the period of observation.

A description of a desired condition; quantified and measured, and where possible, with established time frames for achievement.

The grouping of governmental and certain private sector capabilities into an organizational structure to provide core capabilities and services most likely needed to manage domestic incidents.

The total amount of precipitation that occurred within the preceding 24-hour period.

Station at which minimum weather measurements are taken to compute ratings of burning conditions; provides supplementary information on weather experience.

Aircraft used only in the service of a government or a political subdivision. It does not include any government-owned aircraft engaged in carrying persons for commercial purposes.

Forestry branch concerned with prevention and damage control to forests from human actions (unauthorized fire, grazing, felling, smoke), pests and pathogens, and damage from storm, frost, and other climatic agents.

Resources assigned to do all required fire suppression work following fireline construction but generally not including extensive mopup.