A wave‐activity view of the relation between the Mediterranean storm track and the North Atlantic Oscillation in winter
The North Atlantic storm track with its dominant mode of variability, the North Atlantic Oscillation (NAO), is believed to impact the Mediterranean storm track and thereby vastly extend its influence downstream. To study such impact, a particular formulation of wave activity suitable for travelling...
Published in: | Quarterly Journal of the Royal Meteorological Society |
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crwiley:10.1002/qj.2760 2024-06-23T07:54:54+00:00 A wave‐activity view of the relation between the Mediterranean storm track and the North Atlantic Oscillation in winter Rezaeian, M. Mohebalhojeh, A. R. Ahmadi‐Givi, F. Nasr‐Esfahany, M. 2016 http://dx.doi.org/10.1002/qj.2760 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fqj.2760 https://onlinelibrary.wiley.com/doi/pdf/10.1002/qj.2760 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/qj.2760 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/qj.2760 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Quarterly Journal of the Royal Meteorological Society volume 142, issue 697, page 1662-1671 ISSN 0035-9009 1477-870X journal-article 2016 crwiley https://doi.org/10.1002/qj.2760 2024-06-13T04:22:17Z The North Atlantic storm track with its dominant mode of variability, the North Atlantic Oscillation (NAO), is believed to impact the Mediterranean storm track and thereby vastly extend its influence downstream. To study such impact, a particular formulation of wave activity suitable for travelling Rossby waves is exploited to compare the upper‐tropospheric branch of Rossby‐wave propagation in the positive and negative phases of the NAO. The analysis is carried out for composites of the critical months and the NAO events defined based on the monthly and daily indices of the NAO, respectively. Quantitative measures including the outward wave activity flux through the boundaries of the Mediterranean domain are used to assess the impact. Overall, the impact of the North Atlantic storm track on the Mediterranean storm track is shown to be noticeably greater in the negative NAO. Further, the existence of a wave source region in the central Mediterranean region, which is stronger in the positive NAO, is established. Article in Journal/Newspaper North Atlantic North Atlantic oscillation Wiley Online Library Quarterly Journal of the Royal Meteorological Society 142 697 1662 1671 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
The North Atlantic storm track with its dominant mode of variability, the North Atlantic Oscillation (NAO), is believed to impact the Mediterranean storm track and thereby vastly extend its influence downstream. To study such impact, a particular formulation of wave activity suitable for travelling Rossby waves is exploited to compare the upper‐tropospheric branch of Rossby‐wave propagation in the positive and negative phases of the NAO. The analysis is carried out for composites of the critical months and the NAO events defined based on the monthly and daily indices of the NAO, respectively. Quantitative measures including the outward wave activity flux through the boundaries of the Mediterranean domain are used to assess the impact. Overall, the impact of the North Atlantic storm track on the Mediterranean storm track is shown to be noticeably greater in the negative NAO. Further, the existence of a wave source region in the central Mediterranean region, which is stronger in the positive NAO, is established. |
format |
Article in Journal/Newspaper |
author |
Rezaeian, M. Mohebalhojeh, A. R. Ahmadi‐Givi, F. Nasr‐Esfahany, M. |
spellingShingle |
Rezaeian, M. Mohebalhojeh, A. R. Ahmadi‐Givi, F. Nasr‐Esfahany, M. A wave‐activity view of the relation between the Mediterranean storm track and the North Atlantic Oscillation in winter |
author_facet |
Rezaeian, M. Mohebalhojeh, A. R. Ahmadi‐Givi, F. Nasr‐Esfahany, M. |
author_sort |
Rezaeian, M. |
title |
A wave‐activity view of the relation between the Mediterranean storm track and the North Atlantic Oscillation in winter |
title_short |
A wave‐activity view of the relation between the Mediterranean storm track and the North Atlantic Oscillation in winter |
title_full |
A wave‐activity view of the relation between the Mediterranean storm track and the North Atlantic Oscillation in winter |
title_fullStr |
A wave‐activity view of the relation between the Mediterranean storm track and the North Atlantic Oscillation in winter |
title_full_unstemmed |
A wave‐activity view of the relation between the Mediterranean storm track and the North Atlantic Oscillation in winter |
title_sort |
wave‐activity view of the relation between the mediterranean storm track and the north atlantic oscillation in winter |
publisher |
Wiley |
publishDate |
2016 |
url |
http://dx.doi.org/10.1002/qj.2760 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fqj.2760 https://onlinelibrary.wiley.com/doi/pdf/10.1002/qj.2760 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/qj.2760 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/qj.2760 |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_source |
Quarterly Journal of the Royal Meteorological Society volume 142, issue 697, page 1662-1671 ISSN 0035-9009 1477-870X |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/qj.2760 |
container_title |
Quarterly Journal of the Royal Meteorological Society |
container_volume |
142 |
container_issue |
697 |
container_start_page |
1662 |
op_container_end_page |
1671 |
_version_ |
1802647225928515584 |