Quantifying stratospheric biases and identifying their potential sources in subseasonal forecast systems. - Lawrence, Zachary D.; Abalos, Marta; Ayarzagüena, Blanca; Barriopedro, David; Butler, Amy H.; Calvo, Natalia; de la Cámara, Alvaro; Charlton-Perez, Andrew; Domeisen, Daniela I. V.; Dunn-Sigouin, Etienne; García-Serrano, Javier; Garfinkel, Chaim I.; et al. (Weather & Climate Dynamics, 2022)