GRAND RAPIDS, Mich. (WOOD) — Just because something floats doesn’t mean it is weightless. A great example is when oil is poured onto water. The oil will float on top of the water, but that doesn’t ...

NORFOLK, Va. — Spotting a cumulus cloud is pretty easy. The clouds resemble pieces of cotton candy, but why are cumulus clouds fluffy and not flat? To fully understand why, we need to start with the ...

When the moon passes in front of the sun during a solar eclipse and ushers in an uncharacteristic darkness, nature tends to react. Birds cease their chirping. Buzzing bees return to their hives. And ...

PITTSBURGH (KDKA) - On beautiful days full of sunshine, sometimes some puffy clouds develop that look like cotton balls. These "fair weather cumuli" form because of certain atmospheric conditions. You ...

With Michigan's changeable weather, residents get to see a lot of different cloud formations — fluffy cumulus, wispy cirrus and dark, threatening cumulonimbus — and recognizing what weather each type ...

MACON, Ga. — Cumulus clouds are the very common puffy clouds you see on a partly cloudy day, but have you ever wondered WHY they’re puffy and not flat? To fully understand why, we need to start with ...

FARGO — Have you ever noticed that many summertime clouds have flat bottoms and billowy tops? Cumulus clouds form on updrafts — rising columns air made buoyant by humidity and heat from the ground ...

Cumulus clouds, those puffy clouds common in the sky during warm days, especially in the summer, are indeed flat-bottomed. It’s because of the way they form. They exist at the top of columns of warm ...

We've nearly made it through a wet and windy Wednesday, which will be good practice for more of the same tomorrow. by Scott Sistek Seeing "hat clouds" -- or lenticular clouds atop Mt. Rainier or other ...

Journal of Applied Meteorology (1962-1982), Vol. 8, No. 1 (February 1969), pp. 46-67 (22 pages) The cumulus cloud populations of the Florida peninsula were photographed periodically and ...