Fuel moisture content
vThe most important
variable in determining fire ignition, rate of combustion, and
energy output from fire.
vfmc = 100 *
(field weight-oven dry weight)/ODW
vdead fuels,
1.5-30% moisture content
vlive fuels,
35-200% moisture content
vLive FMC varies
seasonally with phenology.
vDead FMC
varies daily with moisture.
vFire
Danger Rating uses Dead FMC as a key component.