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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 small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

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

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

A very cold high pressure that originates over the Arctic Ocean.

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