How is the flame length calculated from the Burning Index?

The calculation of flame length from the Burning Index involves a straightforward mathematical relationship where the Burning Index provides a measure of fire behavior and potential flame length based on fuel conditions and moisture content. Specifically, when the Burning Index value is divided by 10, it yields the flame length in feet.

This formula is derived from the empirical data collected over many years, correlating fire behavior characteristics with specific Burning Index values. Thus, if a commander or firefighter has computed or received a Burning Index, they can quickly estimate the flame length that they might encounter using this division approach.

Understanding this calculation is crucial in fire management and safety, as it allows personnel to assess potential fire hazards and make informed decisions regarding safety measures, tactics, and resource allocation during fire incidents.