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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.

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

A type of cloud consisting mostly of small particles such as ice particles.

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Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...