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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

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