But what is even more intriguing is that their appearance can give insight into what the weather will be like in the near ...

Anvil cloud: At the highest level of a mature thunderstorm, an anvil cloud will form. It is a flat, white cloud that spreads horizontally once it reaches the stratosphere and can no longer grow ...

As this air rises, water vapor condenses to create a horizontal, rotating cloud that can resemble ocean ... typically beneath the anvil clouds. They often form in groups that can extend hundreds ...