Which factor can influence the ability to extinguish a fire?

Weather conditions are a critical factor influencing the ability to extinguish a fire because they directly impact fire behavior and the conditions in which firefighters operate. For instance, strong winds can cause a fire to spread more rapidly, making it difficult for firefighters to control and suppress it. High temperatures and low humidity can also exacerbate fire conditions, making it more challenging to extinguish flames and protect surrounding structures. Additionally, heavy rainfall or fog might affect visibility and access, impacting response times and operational effectiveness. Thus, understanding and assessing weather conditions is essential for effective firefighting strategies and safety.