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 ...

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 ...

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 ...

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 ...

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 ...

MOLINE, Ill. — No doubt our skies have been a lot more active recently thanks to a slow-moving upper-level low-pressure system lingering across the Midwest. This has brought not only welcome rainfall ...

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 ...

Researchers at the Institute for Meteorology at Leipzig University have, for the first time, determined the climatic impact ...