2026-06-28T20:34:01Zhttps://docta.ucm.es/rest/oai/requestoai:docta.ucm.es:20.500.14352/240392023-08-26T16:16:09Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense
author
Iza San Juan, Maddalen
author
Calvo Fernández, Natalia
2023-06-18T06:45:19Z
2023-06-18T06:45:19Z
2015-04-16
0094-8276
10.1002/2014GL062935
https://hdl.handle.net/20.500.14352/24039
http://dx.doi.org/10.1002/2014GL062935
http://onlinelibrary.wiley.com/
The Northern Hemisphere (NH) polar stratospheric response to Central Pacific El Niño (CP-El Niño) events remains unclear. Contradictory results have been reported depending on the definition and events considered. We show that this is due to the prominent role of Stratospheric Sudden Warmings (SSWs), whose signal dominates the NH winter polar stratospheric response to CP-El Niño. In fact, the CP-El Niño signal is robust when the events are classified according to the occurrence of SSWs and displays opposite response in winters with and without SSWs. In the absence of SSWs, polar stratospheric responses to Central Pacific and Eastern Pacific El Niño are clearly distinguishable in early winter, in relation to differences in the Pacific-North American pattern. Our results demonstrate that the occurrence of SSWs needs to be taken into account when studying the stratospheric response to CP-El Niño and explain why different responses to CP-El Niño have been reported previously.
eng
Atribución 3.0 España
Role of Stratospheric Sudden Warmings on the response to Central Pacific El Niño
journal article
URL
https://docta.ucm.es/bitstreams/6faafc8f-e74c-42c4-8e91-e35b407956ba/download
File
MD5
358b8200c37ecba64ca46d3f4d9805ed
8580622
application/pdf
calvofernandez31libre.pdf