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 large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

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

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

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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

The branch of science dealing with the laws of motion of air or other gases.

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