Articles | Volume 6, issue 4
https://doi.org/10.5194/wcd-6-1419-2025
https://doi.org/10.5194/wcd-6-1419-2025
Research article
 | 
17 Nov 2025
Research article |  | 17 Nov 2025

QBOi El Niño–Southern Oscillation experiments: teleconnections of the QBO

Hiroaki Naoe, Jorge L. García-Franco, Chang-Hyun Park, Mario Rodrigo, Froila M. Palmeiro, Federico Serva, Masakazu Taguchi, Kohei Yoshida, James A. Anstey, Javier García-Serrano, Seok-Woo Son, Yoshio Kawatani, Neal Butchart, Kevin Hamilton, Chih-Chieh Chen, Anne Glanville, Tobias Kerzenmacher, François Lott, Clara Orbe, Scott Osprey, Mijeong Park, Jadwiga H. Richter, Stefan Versick, and Shingo Watanabe

Data sets

Global Precipitation Climatology Project (GPCP) Climate Data Record (CDR), Version 2.3 (Monthly) Robert Adler et al. https://doi.org/10.7289/V56971M6

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Short summary
Links between the stratospheric Quasi-Biennial Oscillation (QBO) and atmospheric circulations in the tropics, subtropics, and polar regions, as well as their modulation by the El Nino–Southern Oscillation, are examined through model experiments. The QBO–polar vortex connection is reproduced by a multi-model ensemble at about half the observed amplitude. Weak performance of QBO signals in these regions is likely due to unrealistically weak QBO amplitudes in the lower stratosphere.
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