Duff Moisture Code

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Class Ignition Potential Interpretation
Low Top layers of organic soil are wet.
Medium Top layers of organic soil are moist.
High Top layers of organic soil becoming dry.
Extreme Top layers of organic soil are dry.
  • The DMC values shown on the map are numerical ratings of the average moisture content of loosely compacted surface organic layers (duff). The DMC indicates the level of fuel consumption in surface organic layer and medium-sized woody material.

  • Image courtesy of the Malaysian Meteorological Department.