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

 

Australian hot and dry extremes induced by weakenings of the stratospheric polar vortex. By E.-p. Lim et al. in Nature geoscience.

Variability of the Stratospheric Quasi-Biennial Oscillation (QBO) and Its Wave Forcing Simulated in the Beijing Climate Center Atmospheric General Circulation Model (BCC-AGCM). By Y. Lu et al. in the Journal of the Atmospheric Sciences.

The equatorial stratospheric semiannual oscillation and time‐mean winds in QBOi models. By A.K. Smith et al. in the Quarterly Journal of the Royal Meteorological Society.

Quantifying stratospheric temperature signals and climate imprints from post‐2000 volcanic eruptions. By M. Stocker et al. in the Geophysical Research Letters.

Antarctic Temperature Variability and Change from Station Data. By J. Turner et al. in the International Journal of Climatology.

Ural blocking driving extreme Arctic sea‐ice loss, cold Eurasia and stratospheric vortex weakening in autumn and early winter 2016‐2017. By E. Tyrlis et al. in the Journal of Geophysical Research: Atmospheres.

 

Discussion papers – open for comment:

Trends and Emissions of Six Perfluorocarbons in the Northern and Southern Hemisphere. By E.S. Droste et al. in Atmospheric Chemistry and Physics.