Heat index above 105 F or 41 C requires what staffing action?

• A. Do nothing
• B. Evacuate the area
• C. Call weather advisory
• D. Add 1 more lifeguard

Answer: (D)

When the heat index climbs above 105 F (41 C), the risk of heat-related stress increases and both staff and swimmers can become fatigued more quickly. In this scenario, keeping a sharp eye on everyone’s safety becomes harder as fatigue sets in, so adding an extra lifeguard helps maintain better surveillance, allows necessary breaks to prevent overheating, and ensures quicker response if an incident occurs. The other options don’t directly address on-site safety coverage: doing nothing ignores the elevated risk, evacuating is an extreme step not indicated by this heat level alone, and calling a weather advisory is about monitoring conditions rather than modifying staffing. So, increasing on-site coverage by adding one more lifeguard is the appropriate action.