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 very cold high pressure that originates over the Arctic Ocean.

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A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

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

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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