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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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

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

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

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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...