Clouds need two essential ingredients to form, and both must be present simultaneously for the process to begin. There are two ingredients needed for clouds to form: water and nuclei. The first ...

How do clouds form? Meteorologist Stevie Daniels explains how clouds develop and lists the three main types of clouds.

They may be an astronomer's worst enemy but clouds play a crucial role in making Earth habitable. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.