Wildfire Terminology

1. Extinguishing or removing burning material near control lines, felling snags, and trenching logs.
8. Fire burning with a low flame
9. an unburned area within a fire perimeter.
12. Behavior of a fire spreading rapidly with a well-defined head.
13. An advantageous location, usually a barrier to the fire spread.
15. The completion of a control line around a fire.
16. The burning of the foliage of a tree from the bottom up.
17. Unburned indentations in the fire edge formed by fingers or slow burning areas.
18. The entire outer edge or boundary of a fire.
20. Fire ignited outside the perimeter of the main fire by a firebrand
21. Spinning vortex column of ascending hot air and gases rising from a fire.
22. The long narrow extensions of a fire projecting from the main body.
24. A fire that advances from top to top of trees or shrubs.

2. The location where a competent ignition source came into contact with the material first ignited.
3. Fire burning without the presence of a flame.
4. That zone of a moving fire where the combustion is primarily flaming
5. That portion of the fire with slower rates of the fire spread and lower intensity
6. Unit of measure in land survey, equal to 66 feet.
7. The most rapidly spreading portion of a fire's perimeter, usually to the leeward or up slope
8. The status of a wildfire suppression action signifying that a control line has been completed.
10. Behavior of a fire spreading sparks or embers that are carried by the wind.
11. The parts of a fire's perimeter that are roughly parallel to the main direction of spread.
14. An inclusive term for all constructed or natural barriers and treated fire edges used to control a fire.
19. The part of a containment or control line that is scraped or dug to mineral soil.
21. Any sudden acceleration in the rate of spread or intensification of the fire.
23. Slowest spreading portion of a fire edge.