What conditions did the E10 and E13 officers find upon reentering the structure?

The conditions reported by the E10 and E13 officers upon reentering the structure indicate a scenario of zero visibility but less heat. This means that while the firefighters experienced a lack of sight due to smoke or other obstructions in the environment, the temperature was notably lower compared to typical fire scenarios.

In situations where there is zero visibility, firefighters must rely on their training, equipment, and communication to navigate safely. The presence of less heat suggests that the conditions could have improved from an initial state, possibly due to firefighting efforts or other factors that have diminished the intensity of the fire. This can provide critical insight into fire dynamics, indicating that the fire may have started to be controlled but that the environment remains hazardous due to smoke and reduced visibility.

Understanding these conditions is essential for firefighters to make informed decisions regarding their safety and approach to the incident, emphasizing the importance of assessing environmental factors as they engage in firefighting operations.