The prevalent or characteristic meteorological conditions of any place or region, and their extremes.

Analysis of one or more fire scars to determine individual tree fire frequency or mean fire intervals for specified areas.

Any of the processes that lead to upward vertical motion in the atmosphere. These processes may include low level convergence, heating or thermal convection, orographic lifting over the mountains, and frontal lifting.

A set of mathematical equations that can be used to predict certain aspects of fire behavior when provided with an assessment of fuel and environmental conditions.

The government furnishes all operating supplies after the equipment arrives at the incident.

Sudden increase in wind speed to at least 17 mph (15 knots) that is sustained for at least 1 minute but not more than 5 minutes.

Lands on which neither the state nor the federal government has any legal responsibility for providing fire protection.

A burn in which the skin is blistered.

A flesh burn in which charring occurs.

A burn which causes only pain, redness, and swelling.