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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

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

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

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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