Predicted fire (A) flame lengths, (B) rates of spread, and (C) fireline intensities associated with increasing wind speed and herbaceous fuel loads (on the right axis, ranging from 0.25 – 2.00 tons per acre) for dry grass-shrub fuel model with BehavePlus software. Overcoming perceptions of wildland-urban interface fire disasters as a wildfire control problem rather than a home ignition problem, determined by home ignition conditions, will reduce These fires tend to burn under high winds, with very low fuel moistures, producing high spread rates and intensities.
1. Rate of spread (chainslhour),the forward rate of spread at the head of a surface fire. 2. Heat per unit area ( ~ t u l f t a~ )m,easure of the amount of heat that is released by a square foot of fuel while the flaming Rothermel, Richard C. A mathematical model for pre-dicting fire spread in wildland fuels.