v The most important variable in determining fire
ignition, rate of combustion, and energy output
from fire.
v fmc = 100 * (field weight-oven dry weight)/ODW
v dead fuels, 1.5-30% moisture content
v live fuels, 35-200% moisture content
v Live FMC varies seasonally with phenology.
v Dead FMC varies daily with moisture.
v Fire Danger Rating uses Dead FMC as a key
component.