PPolySim OS
For First Responders · Forest Fire Model

Forest Fire Model for a slime mold

Built for first responders planning or training for real incidents. Run fast what-if scenarios for response planning and training — no software to install in the field. Simulate a slime mold live below — adjust the inputs and watch it respond, right in your browser.

Forest Fire ModelLive

Controls

Presets

Trees grow at rate p; lightning ignites one at rate f; fire spreads to neighbors. The ratio p/f self-organizes to a critical state where fire sizes follow a power law — a classic model of self-organized criticality.

▶ Run in Python

Data Inspector

Living trees0
Grid120²
p / f50

Governing equation

Reading this result: Near p/f around 50 the model sits close to its critical point, where fire sizes span every scale in a power law — the signature of self-organized criticality.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

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Frequently asked questions

Is this good for first responders?
Yes — this version of "Forest Fire Model for a slime mold" is framed for first responders planning or training for real incidents. Run fast what-if scenarios for response planning and training — no software to install in the field.
Do I need to install anything?
No. It runs in any modern browser, free, with no account required.