Articles | Volume 3, issue 2
Weather Clim. Dynam., 3, 679–692, 2022
https://doi.org/10.5194/wcd-3-679-2022
Weather Clim. Dynam., 3, 679–692, 2022
https://doi.org/10.5194/wcd-3-679-2022
Research article
23 Jun 2022
Research article | 23 Jun 2022

Stationary wave biases and their effect on upward troposphere– stratosphere coupling in sub-seasonal prediction models

Chen Schwartz et al.

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Short summary
Eleven operational forecast models that run on subseasonal timescales (up to 2 months) are examined to assess errors in their simulated large-scale stationary waves in the Northern Hemisphere winter. We found that models with a more finely resolved stratosphere generally do better in simulating the waves in both the stratosphere (10–50 km) and troposphere below. Moreover, a connection exists between errors in simulated time-mean convection in tropical regions and errors in the simulated waves.