cold low

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An area of low pressure and temperature in the middle troposphere. These lows don't appear on synoptic charts, but are important in Arctic and Antarctic meteorology (Serreze et al. (1989) Meteor. & Atmos. Phys. 51, 3–4). Cut-off low systems are synoptic-scale low pressure systems, formed as a result of meridional shifts of jet streams in the upper troposphere, and playing a role in exchanges between troposphere and stratosphere (Gimeno et al. (2007) Met. Atmos. Phys. 96).

Subjects: Earth Sciences and Geography — Ecology and Conservation.

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