Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 6, issue 4
Articles | Volume 6, issue 4
https://doi.org/10.5194/wcd-6-1629-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-6-1629-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 4
Research article
 | 
02 Dec 2025
Research article |  | 02 Dec 2025

Equatorial wave circulation associated with subseasonal convective variability over the subtropical western North Pacific in boreal summer

Peishan Chen, Katharina M. Holube, Frank Lunkeit, Nedjeljka Žagar, Yuan-Bing Zhao, and Riyu Lu

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Short summary
We analyze the equatorial wave circulation associated with the subtropical western North Pacific (SWNP) convection. Results show that Rossby and Kelvin waves resemble the Gill solution–enhance the equatorward side of the SWNP anticyclone/cyclone together, while mixed Rossby-gravity (MRG) and inertia-gravity (IG) waves dominate the cross-equatorial flow. Following peak convection, IG waves complement Rossby waves to link the SWNP convection and extratropical circulation during austral winter.
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