Fine Fuel Moisture

What is Fine Fuel Moisture?

Fine Fuel Moisture meaning in Safety terms is

  • The probable moisture content of fast-drying fuels which have a timelag constant of 1 hour or less; such as, grass, leaves, ferns, tree moss, pine needles, and small twigs (0-1/4″). 


reference: Glossary A – Z | National Wildfire Coordinating Group