What is the term for the sides of a wildland fire?

The term "flanks" refers to the sides of a wildland fire. In fire behavior, the flanks are critical areas that are adjacent to the main burning front, often where fire behavior can differ from that of the head, which is the most actively burning portion. Understanding the different components of a wildland fire helps firefighters develop appropriate strategies for containment and control.

Whereas "fingers" usually describe smaller, protruding parts of the fire that can extend away from the main fire area, the "head" is the front where the fire is moving most rapidly. The "base" typically refers to the area of the fire that is closest to the ground or to the point of origin. Recognizing these terms and their specific meanings is essential for effective communication and tactical planning in fire management.