Rock & Roll

This is a roll cloud. They are rarely formed. Cold air comes down from a storm front and pushes up the warm, moist air. As the warm air goes up it becomes cooler and condenses into a cloud. If this occurs over a loooooooooooooooooooooooooong stretch, it forms a roll cloud.

Your mom will be proud

If you understand this cloud.

You will reach the goal

Just search for this roll!