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.

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

Snow that rises to 8 feet or higher.

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

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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