Dark blue cloudy sky

What is Convection?

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It is a key process in cloud formation and weather dynamics.

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Glossary

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

Snow that rises to 8 feet or higher.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.