During what stage of a house fire are flames localized, indicating that the fire has just started?

The incipient stage of a house fire is characterized by localized flames, which indicates that the fire has just started. In this initial stage, the fire is typically small and growing, often fueled by materials that are just beginning to ignite. The primary characteristics of the incipient stage include the presence of smoke, a slight increase in temperature in the area, and visible flames that are confined to a limited area.

During this stage, the fire has not yet expanded significantly, and it is crucial to recognize this phase as it presents an opportunity for timely intervention, such as extinguishing the fire while it is still small. Once the fire progresses beyond this stage, more extensive damage and a larger danger to life and property become imminent. Thus, understanding the incipient stage is essential for effective fire prevention and control strategies.