Dark blue cloudy sky

What is Circulation?

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic conditions.

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Glossary

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

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

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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...