Articles | Volume 1, issue 2
Weather Clim. Dynam., 1, 541–553, 2020
https://doi.org/10.5194/wcd-1-541-2020
Weather Clim. Dynam., 1, 541–553, 2020
https://doi.org/10.5194/wcd-1-541-2020

Research article 17 Oct 2020

Research article | 17 Oct 2020

Stratospheric influence on North Atlantic marine cold air outbreaks following sudden stratospheric warming events

Hilla Afargan-Gerstman et al.

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Short summary
We investigate the stratospheric influence on marine cold air outbreaks (MCAOs) in the North Atlantic using ERA-Interim reanalysis data. MCAOs are associated with severe Arctic weather, such as polar lows and strong surface winds. Sudden stratospheric events are found to be associated with more frequent MCAOs in the Barents and the Norwegian seas, affected by the anomalous circulation over Greenland and Scandinavia. Identification of MCAO precursors is crucial for improved long-range prediction.