Add Yahoo as a preferred source to see more of our stories on Google. This week's question comes from Regina, who asks about one of the basic elements of our weather, "Why do clouds form?" ...

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 ...

SEATTLE — Even a clear sky contains layers of wet and dry air, that is, layers with different humidities. You can’t see these layers unless the humidity is high enough for the moisture in the layer to ...

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 ...

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 ...

Alexandria Johnson does hard science on the most nebulous of subjects: clouds. As an atmospheric scientist and assistant professor of practice in Purdue University’s College of Science, she studies ...

Alexandria Johnson does hard science on the most nebulous of subjects: clouds. As an atmospheric scientist and assistant professor of practice in Purdue University’s College of Science, she studies ...

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 ...

With a ceiling set at 3000 feet, all the clouds confined to that limited altitude, flying above it reveals the possibility of encountering another layer or no clouds at all. Why do clouds stratify at ...

PORTLAND, Ore. (KATU) — It’s a bird! It’s a plane! It’s a cloud! With mostly cloudy skies over the next several days, it’s a good time to spot some clouds! In meteorology, the types of clouds we see ...

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 ...