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Published on Jan 3, 2018
A fire will burn faster uphill. This is because the flames can easily reach more unburnt material (like grass) in front of the fire. Radiant heat pre-heats the grass in front of the fire, making it even more flammable.
In Victoria, most high-risk fire areas are not flat, so fires can spread and become out of control quickly.
On a 10-degree slope, fire will travel twice as fast as a fire on flat ground in the same conditions, and on a 20-degree slope, it will travel four times as fast.
There’s no questioning the facts, if you live in high fire-risk areas, leaving early is always the safest option.