Which winds are characterized by very low relative humidity and high temperatures?

Prepare for the S-290 Intermediate Wildland Fire Behavior Test with our engaging questions and insightful explanations. Enhance your knowledge to ace the exam!

Chinook winds are known for their warm and dry characteristics, which arise when air descends the leeward side of a mountain range. As this air descends, it experiences adiabatic warming, leading to an increase in temperature and a decrease in relative humidity. These conditions can result in notably high temperatures and very low humidity levels, making Chinook winds particularly significant in terms of fire behavior, as they can promote rapid fire spread due to the dry, warm air they bring. Understanding the effects of Chinook winds is crucial for fire management and anticipating fire behavior in mountainous regions.

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