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

Tropical Stratospheric Circulation and Ozone Coupled to Pacific Multi-Decadal Variability. By F. Iglesias-Suarez et al., in the Geophysical Research Letters.

Robust asymmetry of the future Arctic polar vortex is driven by tropical Pacific warming. By S. Matsumura, Y. Yamazaki, and T. Horinouchi in the Geophysical Research Letters.

Combined Effects of Global Warming and Ozone Depletion/Recovery on Southern Hemisphere Atmospheric Circulation and Regional Precipitation. By J. Mindlin et al., in the Geophysical Research Letters.

The stratospheric Brewer–Dobson circulation inferred from age of air in the ERA5 reanalysis. By F. Ploeger et al., in Atmospheric Chemistry and Physics.

Interacting tipping elements increase risk of climate domino effects under global warming. By N. Wunderling et al., in Earth System Dynamics.

Discussion papers – open for comment:

Weakening of Antarctic Stratospheric Planetary Wave Activities in Early Austral Spring Since the Early 2000s: A Response to Sea Surface Temperature Trends. By Y. Hu et al., in Atmospheric Chemistry and Physics.