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

Cloud Composition Clouds are a fascinating part of our sky, made up of countless tiny water droplets or ice crystals. When ...

Clouds that look like cartoon cotton balls or cauliflower are made up of tiny liquid water droplets and are called cumulus clouds. Often, these are fair-weather clouds that form when the Sun warms ...

I grew up in Minnesota ... and the atmosphere above is much colder, cumulus clouds can rapidly grow vertically into cumulonimbus. When the edges of these clouds look especially crisp, it ...