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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

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

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