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

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

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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

Snow that rises to 8 feet or higher.

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

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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