Dark blue cloudy sky

What is Cumulus?

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds under the right conditions.

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Glossary

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...