Grassland Fire Rate of Spread

CSIRO Grassland Fire Spread Model (Cheney et al., 1998)

Defaults set for Autumn conditions

Weather Conditions

Temperature

°C

-10°C50°C

Relative Humidity

0%100%

Wind Speed (10m)

km/h

0km/h120km/h

Fuel Characteristics

Grass Curing

0%100%

Grass Condition

Fuel Load

t/ha

0.5t/ha10t/ha

Terrain

Slope

0%100%

Fire Behavior Outputs

Rate of Spread

3.02

km/h

(50.3 m/min)

Danger Rating

High

Fire Behavior Index: 48

Fireline Intensity

7.0kkW/m

Flame Height

4.6m

Dead Fuel Moisture

10.9%

Fire Behavior Index

Reference: Cheney NP, Gould JS, Catchpole WR (1998). "Prediction of fire spread in grasslands" - Int. J. Wildland Fire 8, 1-13. This calculator uses the CSIRO Grassland Fire Spread Model as implemented in the Australian Fire Danger Rating System (AFDRS).