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 term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

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

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

A cloud of irregular appearance, composed of irregular cloud fragments.

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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