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.

Clouds form when water vapor—an invisible gas in the atmosphere—sticks to tiny floating particles, such as dust, and turns into liquid water droplets or ice crystals. In a newly published study, we ...

You wouldn't think that clouds and snow floating around in the sky get help from bacteria near the ground, but those tiny organisms can lend a helping hand in getting clouds to form. First off, let’s ...

NORFOLK, Va. — Technically called “cumulonimbus flammagenitus,” pyrocumulonimbus clouds are a rare weather phenomenon caused by intense heat. These towering clouds form when extreme heat from a ...

VIRGINIA BEACH, Va. — An impressive shelf cloud formation was seen over much of Hampton Roads late on Saturday afternoon. That might have people wondering what exactly causes these visually stunning ...