Check out this incredible roll cloud spotted off the coast of Portugal on Sunday. Roll clouds are most common with thunderstorms, but can also form when cooler air over the ocean sweeps under hot air over land, forming these rolling-pin-like cloud features. The country set a preliminary June record with jaw-dropping temperatures near 116 degrees.
A sunny day on the water can turn dangerous fast. Coast Guard Commander Dan DeAngelo reveals the top boating mistakes that lead to rescues and the simple safety steps that could save your life.