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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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

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

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

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

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...