Which of the following indicators can signal potential fire behavior problems?

The presence of potential fire behavior problems is indicated by several environmental factors, and selecting "ALL OF THE ABOVE" acknowledges that all mentioned options can contribute to fire risk in different ways. High humidity levels, calm winds, and stable moisture can suggest specific fire behavior concerns.

High humidity levels might seem counterintuitive, as they generally indicate more moisture in the environment, which can reduce fire spread. However, if humidity is high but temperatures are also high, the relative humidity can affect the moisture content of fuel types, leading to a more unpredictable fire behavior when conditions unexpectedly shift.

Calm winds can also signal potential issues. While they might initially suggest less fire spread, in certain contexts, they can create conditions where heat and smoke can accumulate, leading to erratic fire behavior. In the case of a fire encountering an area with low wind, it may not spread overland as it would with moderate winds, leading to increased local intensity and potential for spot fires.

Stable moisture refers to a consistent level of moisture in fuels, which can lead to changes in the way the fire behaves. If the moisture is low, the fuels can ignite readily and burn more intensely. If moisture is stable at a certain level, it may not account for sudden weather changes, such