What is a significant effect of Foehn winds on wildland fires?

Foehn winds are characterized by their ability to bring about significant changes in weather conditions that can greatly influence wildland fires. The correct answer highlights that Foehn winds produce strong winds accompanied by warmer temperatures and very low relative humidity. This combination creates an environment that is particularly conducive to fire development and spread.

Strong winds can enhance fire spread by carrying embers and flames over greater distances, making it easier for a fire to jump from one area to another. The increase in temperature further dries out vegetation, reducing its moisture content and making it more flammable. Low relative humidity also contributes to the dryness of fuels, which can lead to rapid ignition and intense fire behavior.

Understanding the effects of Foehn winds is crucial for fire management, as these conditions can increase the intensity and unpredictability of wildland fires, posing greater challenges for firefighters and management strategies.