cumulus clouds

Cultural  

1. Large, white, puffy clouds that generally appear during fair weather, although they also form thunderheads on hot days. Some carry rain.

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Example Sentences

"We'll have to monitor those feisty cumulus clouds and potentially a few showers and breezes as well," Mark Burger, the launch weather officer, said Tuesday.

From Barron's • Apr. 1, 2026

A recent study found that after 15 percent of the sun becomes obscured, cumulus clouds, the small cotton ball-like ones typical for a sunny day, can dissipate.

From New York Times • Apr. 8, 2024

"The day-to-day rain from cumulus clouds is critical to replenishing our fresh groundwater, but the transition from cloud to raining cloud is still poorly understood, and therefore difficult to predict," added Ackerman.

From Science Daily • Nov. 27, 2023

Beyond lie the turquoise and azure waters of the lagoon, a white line of surf at the reef, cumulus clouds on the horizon moving as stately as galleons.

From Slate • Aug. 5, 2023

Monday morning was blue and white, and everything was blowing: cumulus clouds, bare branches, scraps of rubbish.

From "Chasing Vermeer" by Blue Balliett