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

Decadal Disruption of the QBO by Tropical Volcanic Supereruptions. By H. Brenna et al. in the Geophysical Research Letters.

Local and remote response of ozone to Arctic stratospheric circulation extremes. By H.-J. Hong and T. Reichler in Atmospheric Chemistry and Physics.

AIRS Satellite Observations of Gravity Waves During the 2009 Sudden Stratospheric Warming Event. By S. Kalisch and H.-Y. Chun in the Journal of Geophysical Research: Atmospheres.

Coordinating an operational data distribution network for CMIP6 data. By R. Petrie et al. in Geoscientific Model Development.

Evidence for the predictability of changes in the stratospheric aerosol size following volcanic eruptions of diverse magnitudes using space-based instruments. By L.W. Thomason et al. I Atmospheric Chemistry and Physics.

Climate-driven chemistry and aerosol feedbacks in CMIP6 Earth system models. By G. Thornhill et al. in Atmospheric Chemistry and Physics.

Discussion papers – open for comment:

Evaluating the use of Aeolus satellite observations in the regional NWP model Harmonie-Arome. By S. Haglin et al. in Atmospheric Measurement Techniques.