What fire phenomenon do you see? ⠀⠀⠀⠀⠀ Smoke leaving a structure has four key attributes: ⠀⠀⠀⠀⠀⠀⠀ 1. Volume 2. Velocity (as related to pressure) 3. Density 4. Color ⠀⠀⠀⠀⠀⠀ By taking in all 4 attributes at the same time it can help a firefighter determine the size and location of a fire as well as the potential of a hostile fire event like a flashover or backdraft occurring. ⠀⠀⠀⠀⠀ The type of structure and how it’s constructed Is extremely important and must play a role in our overall smoke size