Life cycle of sudden stratospheric warming

Limpasuvan, Varavut, Thompson, David W. ORCID: and Hartmann, Dennis L. (2004) Life cycle of sudden stratospheric warming. Bulletin of the American Meteorological Society, 85 (8). pp. 1053-1054. ISSN 0003-0007

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The composite evolution of the atmospheric flow throughout the stratosphere and troposphere during sudden stratospheric warming events (SSWs) was examined. It was found that as the SSW matures, both the largest stratospheric zonal flow anomalies and the region of largest wave driving descend throughout the depth of the stratosphere. When the anomalous wave driving reached the lowermost stratosphere, the associated flow anomalies appeared to penetrate the tropopause, eliciting substantial anomalous responses in both wave propagation and the mean meridional flow at tropospheric levels. The connection between the stratosphere and the troposphere was amplified by the projection of the descending flow anomalies onto the tropospheric Northern Hemisphere annular mode.

Item Type: Article
Uncontrolled Keywords: atmospheric science ,/dk/atira/pure/subjectarea/asjc/1900/1902
Faculty \ School: Faculty of Science > School of Environmental Sciences
UEA Research Groups: Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Faculty of Science > Research Groups > Climatic Research Unit
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Depositing User: LivePure Connector
Date Deposited: 18 Aug 2022 13:32
Last Modified: 15 Jun 2023 00:19

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