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Course Outline

The major factors affecting fire behavior – the fire environment – are fuels, weather and topography.

Every fire is different because fire behavior is determined by the conditions at a particular time and place. These conditions will always be unique. However, fire behavior is also predictable when you know what to look for.

The fire environment triangle with the three legs labeled weather, topography and fuels.

Courtesy of NWCG, S190

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