What type of fire pattern is often V-shaped?

The V-shaped fire pattern is typically associated with plume generated patterns. This type of pattern occurs as a result of the movement of hot gases and smoke in a vertical column, which tends to shape the fire's behavior in a way that resembles a V. As the fire produces heat and rises, it creates a buoyant column that will push the hot gases upward, leading to characteristic heat damage on the surfaces in the vicinity. The walls are often affected in a way that is indicative of this upward movement, creating the V shape where the apex is aligned with the heat source.

Additionally, plume generated patterns can provide crucial insights into the fire's origin and the dynamics of how it spread, allowing fire investigators to trace back the source with more accuracy.