@Article{gmd-15-5073-2022,
AUTHOR = {Hitchcock, P. and Butler, A. and Charlton-Perez, A. and Garfinkel, C. I. and Stockdale, T. and Anstey, J. and Mitchell, D. and Domeisen, D. I. V. and Wu, T. and Lu, Y. and Mastrangelo, D. and Malguzzi, P. and Lin, H. and Muncaster, R. and Merryfield, B. and Sigmond, M. and Xiang, B. and Jia, L. and Hyun, Y.-K. and Oh, J. and Specq, D. and Simpson, I. R. and Richter, J. H. and Barton, C. and Knight, J. and Lim, E.-P. and Hendon, H.},
TITLE = {Stratospheric Nudging And Predictable Surface Impacts (SNAPSI): a
protocol for investigating the role of stratospheric polar vortex
disturbances in subseasonal to seasonal forecasts},
JOURNAL = {Geoscientific Model Development},
VOLUME = {15},
YEAR = {2022},
NUMBER = {13},
PAGES = {5073--5092},
URL = {https://gmd.copernicus.org/articles/15/5073/2022/},
DOI = {10.5194/gmd-15-5073-2022}
}

@Article{wcd-5-1489-2024,
AUTHOR = {Jaison, A. M. and Gray, L. J. and Osprey, S. M. and Knight, J. R. and Andrews, M. B.},
TITLE = {Role of the quasi-biennial oscillation in alleviating biases in the
semi-annual oscillation},
JOURNAL = {Weather and Climate Dynamics},
VOLUME = {5},
YEAR = {2024},
NUMBER = {4},
PAGES = {1489--1504},
URL = {https://wcd.copernicus.org/articles/5/1489/2024/},
DOI = {10.5194/wcd-5-1489-2024}
}

@Article{wcd-6-841-2025,
AUTHOR = {Dai, Y. and Hitchcock, P. and Butler, A. H. and Garfinkel, C. I. and Seviour, W. J. M.},
TITLE = {Assessing stratospheric contributions to subseasonal predictions of precipitation after the 2018 sudden stratospheric warming from the Stratospheric Nudging And Predictable Surface Impacts (SNAPSI) project},
JOURNAL = {Weather and Climate Dynamics},
VOLUME = {6},
YEAR = {2025},
NUMBER = {3},
PAGES = {841--862},
URL = {https://wcd.copernicus.org/articles/6/841/2025/},
DOI = {10.5194/wcd-6-841-2025}
}

@Article{wcd-6-1661-2025,
AUTHOR = {Karpechko, A. Yu. and Butler, A. H. and Vitart, F.},
TITLE = {Signal, noise and skill in sub-seasonal forecasts: the role of
teleconnections},
JOURNAL = {Weather and Climate Dynamics},
VOLUME = {6},
YEAR = {2025},
NUMBER = {4},
PAGES = {1661--1681},
URL = {https://wcd.copernicus.org/articles/6/1661/2025/},
DOI = {10.5194/wcd-6-1661-2025}
}

@Article{wcd-7-411-2026,
AUTHOR = {Ayarzag\"uena, B. and Butler, A. H. and Hitchcock, P. and Garfinkel, C. I. and Lawrence, Z. D. and Ning, W. and Rupp, P. and Wu, Z. and Afargan-Gerstman, H. and Calvo, N. and de la C\'amara, A. and Jucker, M. and Koren, G. and De Maeseneire, D. and Manney, G. L. and Osman, M. and Taguchi, M. and Barton, C. and Hong, D.-C. and Hyun, Y.-K. and Kim, H. and Knight, J. and Malguzzi, P. and Mastrangelo, D. and Oh, J. and Polichtchouk, I. and Richter, J. H. and Simpson, I. R. and Son, S.-W. and Specq, D. and Stockdale, T.},
TITLE = {The role of the stratospheric state in upward wave flux prior to Sudden Stratospheric Warmings: a SNAPSI analysis},
JOURNAL = {Weather and Climate Dynamics},
VOLUME = {7},
YEAR = {2026},
NUMBER = {1},
PAGES = {411--437},
URL = {https://wcd.copernicus.org/articles/7/411/2026/},
DOI = {10.5194/wcd-7-411-2026}
}

@Article{wcd-7-277-2026,
AUTHOR = {Ning, W. and Garfinkel, C. I. and Cohen, J. and White, I. P. and Rao, J.},
TITLE = {The tropospheric response to zonally asymmetric momentum torques: implications for the downward response to wave reflection and SSW events},
JOURNAL = {Weather and Climate Dynamics},
VOLUME = {7},
YEAR = {2026},
NUMBER = {1},
PAGES = {277--295},
URL = {https://wcd.copernicus.org/articles/7/277/2026/},
DOI = {10.5194/wcd-7-277-2026}
}

@Article{egusphere-2025-4453,
AUTHOR = {Roy, R. and Arblaster, J. M. and Wheeler, M. C. and Lim, E.-P. and Richter, J. H.},
TITLE = {Austral Summer MJO Forecast Skill in S2S Models: Decadal Shifts and Their Drivers},
JOURNAL = {EGUsphere},
VOLUME = {2025},
YEAR = {2025},
PAGES = {1--28},
URL = {https://egusphere.copernicus.org/preprints/2025/egusphere-2025-4453/},
DOI = {10.5194/egusphere-2025-4453}
}

@Article{egusphere-2026-230,
AUTHOR = {Seviour, W. J. M. and Finkel, J. and Rupp, P. and Mudhar, R. and Butler, A. H. and Garfinkel, C. I. and Hitchcock, P. and Ayarzag\"uena, B. and Hong, D.-C. and Hyun, Y.-K. and Kim, H. and Lim, E.-P. and De Maeseneire, D. and Messori, G. and Koren, G. and Sigmond, M. and Simpson, I. R. and Son, S.-W.},
TITLE = {Forecast-based attribution of the role of stratospheric variability in weather extremes},
JOURNAL = {EGUsphere},
VOLUME = {2026},
YEAR = {2026},
PAGES = {1--28},
URL = {https://egusphere.copernicus.org/preprints/2026/egusphere-2026-230/},
DOI = {10.5194/egusphere-2026-230}
}

@Article{egusphere-2026-737,
AUTHOR = {Andrews, M. B. and Butchart, N. and Anstey, J. A. and Bednarz, E. and Elsbury, D. and Garc\'{\i}a-Franco, J. L. and Kumar, V. and Palmeiro, F. M. and Trencham, N. E. and Yoshida, K. and Chai, Z. and Hong, D.-C. and Huang, K. and Jaison, A. M. and Kawatani, Y. and Knight, J. R. and Lin, P. and Lott, F. and Lu, Y. and Naoe, H. and Osprey, S. M. and Richter, J. H. and Serva, F. and Son, S.-W. and Tang, Q. and Watanabe, S. and Xie, J.},
TITLE = {Extratropical teleconnections in a multi-model ensemble nudged towards the observed QBO},
JOURNAL = {EGUsphere},
VOLUME = {2026},
YEAR = {2026},
PAGES = {1--33},
URL = {https://egusphere.copernicus.org/preprints/2026/egusphere-2026-737/},
DOI = {10.5194/egusphere-2026-737}
}