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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

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

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

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...