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

 

Improvements in Circumpolar Southern Hemisphere Extratropical Atmospheric Circulation in CMIP6 Compared to CMIP. By T.J. Braecegirdle et al. in Earth and Space Science.

The Southern Annular Mode: Variability, trends, and climate impacts across the Southern Hemisphere. By R.L. Fogt and G.J. Marschall in WIREs Climate Change.

An evaluation of tropical waves and wave forcing of the QBO in the QBOi models. By L.A. Holt et al. in the Quarterly Journal of the Royal Meteorological Society.

Stratospheric water vapor feedback disclosed by a locking experiment. By Y. Huang, Y. Wang, and H. Huang in the Geophysical Research Letters.

Stratospheric ozone changes from explosive tropical volcanoes: Modelling and ice core constraints. By A. Ming et al. in the Journal of Geophysical Research: Atmospheres.

Attribution of the record-breaking heat event over Northeast Asia in summer 2018: the role of circulation. By L. Ren, T. Zhou and W.Zhang in the Environmental Research Letters.

Monsoons Climate Change Assessment. By B. Wang et al. in the Bulletin of the American Meteorological Society.

Role of the quasi-biennial oscillation in the downward extension of stratospheric northern annular mode anomalies. By R. Zhang, W. Tian, and T. Wang in Climate Dynamics.

 

Discussion papers- open for comment:

Characterizing quasi-biweekly variability of the Asian monsoon anticyclone using potential vorticity and large-scale geopotential field. By A. Amemimya and K. Sato in Atmospheric Chemistry and Physics.

Validation of Aeolus wind products above the Atlantic Ocean. By H. Baars et al. in Atmospheric Meatsurement Techniques.

A Global Space-based Stratospheric Aerosol Climatology (Version 2.0): 1979–2018. By M. Kovilakam et al. in Earth System Science Data.