Fine Fuel Moisture Code

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Class Ignition Potential Interpretation
Low Low probability of fire starts.
Medium Moderate probability of fire starts in areas of local dryness.
High Grass fuels becoming easily ignitable. Higher probability of fire starts.
Extreme Grass fuels highly flammable. Very high probability of fire starts.
  • All maps are to be used solely for displaying meteorological/geophysical information, and not for any other purpose. All maps are not to scale and for illustrative purpose only.
  • The FFMC values shown on the map are numerical ratings of the moisture content of litter and other cured fine fuels. The FFMC values are used to indicate the flammability of fine fuels and the relative ease of ignition.

  • Image courtesy of the Malaysian Meteorological Department.