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

The link between eddy-driven jet variability and weather regimes in the North Atlantic-European sector. By E. Madonna et al in the Quaterly Journal of the Royal meteorological Society.

Effect of the Indo-Pacific Warm Pool on lower stratospheric water vapor and comparison with the effect of ENSO. By X. Zhou et al. in the Journal of Climate.

A New Paradigm for Diagnosing Contributions to Model Aerosol Forcing Error. By A.L. Jones et al. in the Geophysical Research Letters.

Recently amplified arctic warming has contributed to a continual global warming trend. By J. Huang et al in Nature climate change.

Improved Winter European Atmospheric Blocking Frequencies in High-Resolution Global Climate Simulations. By P. Davini et al. in the Journal of Advances in Modeling Earth Systems.

Prominent mid-latitude circulation signature in High Asia’s surface climate during monsoon. By T. Mölg et al. in the Journal of Geophysical Research: Atmospheres.

Stratospheric Intrusion-Influenced Ozone Air Quality Exceedances Investigated in the NASA MERRA-2 Reanalysis. By K. E. Knowland et al. in the Geophysical Research Letters.

Differential Radiative Heating Drives Tropical Atmospheric Circulation Weakening. By Y. Xia and Y. Huang in the Geophysical Research Letters.

Climate Impacts of CALIPSO-Guided Corrections to Black Carbon Aerosol Vertical Distributions in a Global Climate Model. By M. Kovilakam et al. in the Geophysical Research Letters.

Bifurcation of potential vorticity gradients across the Southern Hemisphere stratospheric polar vortex. By J. Conway, et al. in Atmospheric Chemistry and Physics Discussions.

Role of the North Atlantic Oscillation in decadal temperature trends. By C. Iles and G. Hegerl in the Environmental Research Letters.

A Census of Atmospheric Variability From Seconds to Decades. By P.D. Williams et al. in the Geophysical Research Letters.