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 line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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