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

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

The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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