Fire is burning in a litter on top of the ground, but occasionally carries into the crowns of individual trees, which produces burning embers that start new fires outside the fire perimeter.
A. Crown fire with convection column and fire whirls.
B. Running wind driven fire with active crowning
C. Crown fire with flare up and torching
D. Ground fire with smoldering and flareups
E. Surface fire with torching and spotting
