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 weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

An instrument for measuring atmospheric pressure.

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

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