This paper describes a spatial systems architecture allowing clients to mod
ify parameters and run their own bush fire simulations via map data provide
d by a Web server. The simulations conform to the model of bush fire behavi
ours as well as operational requirements. A wavelet model and fire simulati
on over a distributed network are considered in this paper and we demonstra
te how the architecture is general enough to accomodate other spatial simul
ations for emergency management using the Web.