A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).

Overview of experiment design and comparison of models participating in phase 1 of the SPARC Quasi-Biennial Oscillation initiative (QBOi). By N. Butchart et al. in Geoscientific Model Development.

How Sudden Stratospheric Warming Affects the Whole Atmosphere. By N.M. Pedatella et al. in Earth & Space Science News.

Spring Arctic Atmospheric Preconditioning: Do Not Rule Out Shortwave Radiation Just Yet. By J. Sedlar in the Journal of Climate.

Discussion papers – open for comment

Requirements for a global data infrastructure in support of CMIP6. By V. Balaji et al. in Geoscientific Model Development Discussions.