What action should you take when a thunderstorm threatens an outdoor aquatics area?

When a thunderstorm threatens an outdoor aquatics area, the most appropriate action to take is to clear the pool at the first sound of thunder. This response is crucial for the safety of all swimmers in the area, as thunderstorms can pose significant hazards, particularly due to lightning strikes. Water is an excellent conductor of electricity, and being in or near the water during a thunderstorm increases the risk of electrical injuries.

Clearing the pool at the first sign of thunder is a proactive measure designed to minimize risk. It allows sufficient time to ensure that all swimmers can exit the water safely and find shelter before the storm escalates. This action is in line with best practices for lightning safety, which recommend that anyone outdoors should seek shelter immediately if they can hear thunder, even if they are not yet experiencing rain.

Other options, such as continuing to swim or waiting until lightning strikes, do not adequately prioritize safety and increase the risk of injury. Gatherings for safety talks may be helpful in certain contexts, but they do not replace the immediate need to evacuate the water when thunder is heard. Thus, the action of clearing the pool at the first sound of thunder is the most effective and responsible choice in this situation.