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 fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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

A very cold high pressure that originates over the Arctic Ocean.

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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