FIRE SPREAD v0.23

real fire history · fuel age
CSIRO Vesta Mk 2 forest + grassland meter · McArthur FFDI (danger) · real slope/aspect · diurnal weather · per-cell veg
firespread v0.23 · prototype · MapLibre Esri satellite + 3D terrain (streaming) · bigger landscapes · full Vesta + operational layer
Sampling terrain…
Case studies — validate on map
Tools
Containment lines
Aerial firebombing
Values at risk (assets)
Fire weather
45
34°
15%
Temp 34°RH 15%14:00
Set Temp & RH directly, or leave them to follow the time of day — reset to the daily profile with auto (daily curve in ).
9
20 t/ha
90%
Atmospheric instability & dryness aloft — drives erratic, plume-driven runs & long-range spotting (Haines 1988).
FFDI (McArthur)
Simulation
10×
Elapsed
T+0:00
Burnt area
0 ha
Head ROS
m/min
Front
idle
Why recent burns help
P(previous burn assists suppression) vs years since — McCarthy & Tolhurst 2001, 114 Vic fires. We drive fuel re-accumulation off the same idea.
Active front
Burning
Recently burnt
Charred / out
Recent burn (blocks fire)
Ageing burn (fire slows)
Control line — built (holds)
Control line — planned / building
Retardant drop — temporary (fades)
🌿Load real Victorian fire history (or paint your own), then Ignite pt and click the terrain.