The presence of a towering cumulonimbus cloud often means violent weather is near, making them both awe-inspiring and foreboding. Their massive, anvil-shaped tops are a testament to the powerful ...

Puffy to wispy, barely there or dark and menacing, clouds come in many shapes and sizes. Each tells a story about what’s ...

How are clouds’ shapes made? – Amanda ... Cirrus clouds that forms atop a thunderstorm spread outward and can form anvil clouds. These clouds flatten on top as they reach the stratosphere ...