S190 EXAM QUESTIONS AND ANSWERS

Point of Origin - Answer- The location where the fire started Head of Fire - Answer- The side of the fire having the fastest rate of spread- usually hottest Flank of a fire - Answer- The part of a fire's perimeter that is roughly parallel to the main direction of spread. Rear of a fire or heel of fire - Answer- Slowest spreading portion of a fire edge... spreads directly into the wind or down slope.... opposite of the head.... Fire perimeter - Answer- The entire outer edge or boundary of a wildland fire. Islands may create interior perimeters Fingers of a fire - Answer- Extension of main fire - the long narrow extensions of a fire projecting from the main body Pockets of a fire - Answer- Unburned indentations in the fire edge formed by fingers or slow burning areas Island of a fire - Answer- area of unburned fuel inside the fire perimeter, usually a rock outcrop or lake Spot fire - Answer- Fire ignited outside the perimeter of the main fire by a firebrand.... embers can jump ahead up to 1/4 or 1/2 mile Smoldering - Answer- burning with little smoke and no flame... barely spreading Creeping fire - Answer- Fire burning with a low flame and spreading slowly Running fire - Answer- Behavior of a fire spreading rapidly with a well defined head and flanks Spotting fire - Answer- behavior of a fire producing sparks or embers that are carried by the wind and start new fires beyond the zone of direct ignition by the main fire Torc