Articles | Volume 6, issue 4
https://doi.org/10.5194/wcd-6-1119-2025
https://doi.org/10.5194/wcd-6-1119-2025
Research article
 | 
20 Oct 2025
Research article |  | 20 Oct 2025

The role of topography, land and sea surface temperature on quasi-stationary waves in Northern Hemisphere winter: insights from CAM6 simulations

Cuiyi Fei and Rachel H. White

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Cited articles

Ali, S. M., Röthlisberger, M., Parker, T., Kornhuber, K., and Martius, O.: Recurrent Rossby waves and south-eastern Australian heatwaves, Weather Clim. Dynam., 3, 1139–1156, https://doi.org/10.5194/wcd-3-1139-2022, 2022. a
Bogenschutz, P. A., Gettelman, A., Hannay, C., Larson, V. E., Neale, R. B., Craig, C., and Chen, C.-C.: The path to CAM6: coupled simulations with CAM5.4 and CAM5.5, Geosci. Model Dev., 11, 235–255, https://doi.org/10.5194/gmd-11-235-2018, 2018. a
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Branstator, G.: The maintenance of low-frequency atmospheric anomalies, Journal of the Atmospheric Sciences, 49, 1924–1945, 1992. a
Branstator, G.: Long-lived response of the midlatitude circulation and storm tracks to pulses of tropical heating, Journal of Climate, 27, 8809–8826, 2014. a, b
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Short summary
Quasi-stationary Rossby waves, lasting weeks, can be linked to persistent extreme weather. The mechanisms of these quasi-stationary waves may be impacted by stationary forcings like topography, heating, and land surface. The presence of these forcings extends the duration of strong quasi-stationary wave events. Our climate model experiments give insights into the mechanisms of quasi-stationary waves, highlighting the importance of a combination of transient eddies and background flow conditions.
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