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

 

How cleaner air changes the climate. By Bjørn Hallvard Samset in Science.

Preconditioning of Arctic Stratospheric Polar Vortex Shift Events. By J. Huang et al. in the Journal of Climate.

Intercomparison of middle-atmospheric wind in observations and models. By R. Rüfenacht et al. in Atmospheric measurement Techniques.

Modulation of the MJO and North Pacific Storm Track Relationship by the QBO. By J. Wang et al in the Journal of Geophysical Research: Atmospheres.

Observational evidence of the downstream impact on tropical rainfall from stratospheric Kelvin waves. By L. Zhang et al. in Climate Dynamics.

 

Discussion papers – open for comment

Extreme levels of Canadian wildfire smoke in the stratosphere over central Europe – Part 1: AERONET, MODIS and lidar observations. By A. Ansmann et al. in Atmospheric Chemistry and Physics.