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 measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

Snow that rises to 8 feet or higher.

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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