Dark blue cloudy sky

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

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A mass of very cold, dry air that mostly originates over the Arctic Ocean.