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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

The branch of science dealing with the laws of motion of air or other gases.

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

Snow that rises to 8 feet or higher.

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.