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 ...

If you've looked up over Houston lately and noticed bright rainbow-like patches near the sun, fish-scale patterns rippling ...

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 ...

Mysterious and unusual shaped clouds have been spotted in the skies in north Wales. The quirky-shaped clouds have been ...

This week's question comes from Regina, who asks about one of the basic elements of our weather, "Why do clouds form?" Meteorologist Rob Shackelford: This might sound like a weird analogy, but I need ...

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 ...

Have you ever looked up at the clouds in the sky and wondered how they form? Understanding cloud formation is really important for studying weather patterns and making accurate forecasts. Those clouds ...

Answer: Clouds form when sufficiently moist air is cooled to the dew point temperature of the air or below, so that either liquid water droplets form on cloud condensation nuclei, or in the case of ...