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

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...