Articles | Volume 4, issue 2
https://doi.org/10.5194/wcd-4-471-2023
https://doi.org/10.5194/wcd-4-471-2023
Research article
 | 
22 May 2023
Research article |  | 22 May 2023

The teleconnection of extreme El Niño–Southern Oscillation (ENSO) events to the tropical North Atlantic in coupled climate models

Jake W. Casselman, Joke F. Lübbecke, Tobias Bayr, Wenjuan Huo, Sebastian Wahl, and Daniela I. V. Domeisen

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Cited articles

Alexander, M. and Scott, J.: The influence of ENSO on air–sea interaction in the Atlantic, Geophys. Res. Lett., 29, 46-1–46-4, https://doi.org/10.1029/2001GL014347, 2002. a
Amaya, D. J. and Foltz, G. R.: Impacts of canonical and Modoki El Niño on tropical Atlantic SST, J. Geophys. Res.-Oceans, 119, 777–789, https://doi.org/10.1002/2013JC009476, 2014. a, b, c
Bayr, T., Domeisen, D. I., and Wengel, C.: The effect of the equatorial Pacific cold SST bias on simulated ENSO teleconnections to the North Pacific and California, Clim. Dynam., 53, 3771–3789, https://doi.org/10.1007/s00382-019-04746-9, 2019a. a
Bayr, T., Wengel, C., Latif, M., Dommenget, D., Lübbecke, J., and Park, W.: Error compensation of ENSO atmospheric feedbacks in climate models and its influence on simulated ENSO dynamics, Clim. Dynam., 53, 155–172, https://doi.org/10.1007/s00382-018-4575-7, 2019b. a
Bellenger, H., Guilyardi, E., Leloup, J., Lengaigne, M., and Vialard, J.: ENSO representation in climate models: From CMIP3 to CMIP5, Clim. Dynam., 42, 1999–2018, https://doi.org/10.1007/s00382-013-1783-z, 2014. a
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Short summary
El Niño–Southern Oscillation (ENSO) has remote effects on the tropical North Atlantic (TNA), but the connections' nonlinearity (strength of response to an increasing ENSO signal) is not always well represented in models. Using the Community Earth System Model version 1 – Whole Atmosphere Community Climate Mode (CESM-WACCM) and the Flexible Ocean and Climate Infrastructure version 1, we find that the TNA responds linearly to extreme El Niño but nonlinearly to extreme La Niña for CESM-WACCM.