Can stratospheric nudging improve surface predictability? Insights from the 2019 Southern Hemisphere sudden stratospheric warming. - Feng, Kexiang; Rao, Jian; Garfinkel, Chaim I.; Butler, Amy H.; Jie, Weihua; Wu, Tongwen; Hitchcock, Peter; Lim, Eun-Pa; Dowdy, Andrew J.; Seviour, William (NPJ Climate & Atmospheric Science, 2025)