Prescribed Burn Planning
Estimate fire behavior for prescribed burns including rate of spread, flame length, and intensity based on fuel, wind, slope, and moisture conditions.
Inputs
tons/acre
mph
%
%
Results
Fire Behavior Classification
Low — Hand tools effective
Estimated Flame Length
1.3 ft
Condition AssessmentWithin prescription — conditions favorable
Rate of Spread0.1 chains/hr
Rate of Spread0.1 ft/min
Fireline Intensity10 BTU/ft/s
Fuel Consumed1%
PM2.5 Emissions0 tons/acre
Heat Per Area8,712
Heat Per (sq ft)100
How to Use This Calculator
- Enter the Fuel Load in tons/acre and the Wind Speed (mid-flame height) in mph.
- Enter the Slope percentage and Fine Fuel Moisture percentage for current conditions.
- Review the Fire Behavior Classification and Condition Assessment to decide if conditions are within prescription.
- Check Flame Length and Rate of Spread in chains/hour to verify fireline intensity is controllable.
- Use PM2.5 Emissions and Fuel Consumed percentage for smoke management planning.
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