0 a fire burning in an area of land with many trees, that is difficult to control and sometimes spreads quickly:
The forest fires were caused by a combination of lightning strikes and very dry conditions.
This area of the interior suffered devastating forest fires last summer.
They desperately needed deliveries of water to keep a raging forest fire at bay.
Other metaphors like that of a forest fire can lead to equations whose solutions have many similar properties but that result from quite different mechanisms.
Other, physiologically relevant quantities like refractory times are not contained in the mechanical oscillator model but occur naturally, for instance, in biological forest fire metaphors.
If the forest fire was started by lightning, neither you nor any of the other animals feel pain.
The absence of abundant insect remains does not seem to us a significant impediment to the forest fire theory which otherwise explains the origination of the tetrapod fossils so well.