> This sudden transition in intensity, and the spout of fire, was due to the previously unknown trench effect, discovered by the computer simulation of the fire

> This sudden transition in intensity, and the spout of fire, was due to the previously unknown trench effect, discovered by the computer simulation of the fire, and confirmed in two scale model tests. https://en.wikipedia.org/wiki/Trench_effect https://en.wikipedia.org/wiki/Trench_effect