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What is Closed Row (Cut Off Low)?

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation patterns. These systems are surrounded by high-pressure areas and can result in persistent weather conditions such as heavy rain, thunderstorms, or cold temperatures in a localized area.

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Glossary

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

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

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

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A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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