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

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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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