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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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

A type of cloud consisting mostly of small particles such as ice particles.

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

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

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...