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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

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

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

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

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

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