Cumulonimbus clouds bring thunderstorms: How to spot them

Cumulonimbus clouds bring thunderstorms: How to spot them

Terry O’Leary of Virginia Beach, Virginia, captured the classic anvil shape of cumulonimbus clouds – out the window of an airplane – in early summer 2003 over central Virginia. Image via NASA GLOBE Clouds. Love wildlife and the natural world? Get the latest animal stories – as well as space and night sky updates – delivered to your inbox. What are cumulonimbus clouds? Cumulonimbus clouds are among the most awe-inspiring of cloud formations. They…