Bushfire Attack Level Assessment Tool

Bushfire Attack Level Assessment

Operator:

Report Identifier:

Generated on:

Topographical Information

Site slope ⓘ

deg

Distance to vegetation (measured horizontally) ⓘ

Vegetation Information

Effective slope of land under classified vegetation ⓘ

deg

Predominant vegetation type ⓘ

Fire Spread Parameters

Surface Fuel Load ⓘ

t/ha

Total Fuel Load ⓘ

t/ha

Surface Fuel Score ⓘ

Near-Surface Fuel Score ⓘ

Near-Surface Fuel Height ⓘ

Elevated Fuel Height ⓘ

Forest Fire Danger Index ⓘ

Grass Fire Danger Index ⓘ

Fuel Height ⓘ

Fuel Age ⓘ

Wind Speed ⓘ

km/h

Moisture Factor ⓘ

Moisture Content ⓘ

Forest Fire Danger Index ⓘ

Radiant Heat Parameters

Flame Front Width ⓘ

Fire Run Length ⓘ

Flame Temperature ⓘ

Use Noble et al, 1980 flame length equation ⓘ

Bushfire Hazard

Flame length

Rate of Spread

Radiant Heat Flux

Distances of Bushfire Attack Levels

BAL-LOW	BAL-12.5	BAL-19	BAL-29	BAL-40	BAL-FZ
more than --	----	----	----	----	----

This calculator is based on the methodology described in Appendix B "Detailed Method for Determining the Bushfire Attack Level (BAL) - Method 2" of AS3959:2018...