Firefighting, Wildland Firefighting

Forewarned Is Forearmed: Preparing for Fire Weather in the WUI

Issue 08 and Volume 172.

Wildland Urban Interface ❘ By THOMAS W. AURNHAMMER The three factors that have the most impact on wildland fire behavior are topography, fuel, and weather. Weather is the most active of these influences, and structural firefighters operating at a wildland urban interface (WUI) fire must understand the effect that meteorological conditions have on trying to control a WUI incident. Critical Factors Just as in structural firefighting, WUI fires have critical factors that can seriously impact the outcome of the incident. Blue Card aficionados should be familiar with the concept of fixed and variable factors. Fixed factors are things that the incident commander (IC) cannot change; topography, fuel, and weather certainly fall into this critical factor category. Fixed factors at a wildland fire can raise specific hazards that the IC must factor into the incident action plan. Weather should be considered a fixed factor because of our inability to change it.…

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