Fig. 2. Matrices showing details of the fire risk rating system. Stands are assigned a rating from 1±3 based on whether they can burn, spread,
or both. Each stand is also assigned upwind and downslope risk ratings from 1±3. Ratings are based on whether neighboring stands can burn or
spread into the focus stand and the stand risk rating for the focus stand. Total Stand Risk(Stand RiskWind RiskSlope Risk)ÿ2; where 2 is
a scalar that moves the range of risks from 3±9 to 1±7.