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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

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

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A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

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Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....