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

Atmospheric blocking as a traffic jam in the jet stream. By N. Nakamura and C.S.Y. Huang in Science.

Climate Change Is Making Night-Shining Clouds More Visible. Press release by American Geophysical Union.

A two-dimensional dynamical model for the subseasonal variability of the Asian monsoon anticyclone. By A. Amemiya and K. Sato in the Journal of the Atmospheric Sciences.

Toward Standardized Data Sets for Climate Model Experimentation. By Paul J. Durack et al. in Earth and Space Science News.

Interdecadal Variability of the Warm Arctic and Cold Eurasia Pattern and Its North Atlantic Origin. By M-K. Sung et al. in the Journal of Climate.

The Interactive Stratospheric Aerosol Model Intercomparison Project (ISA-MIP): motivation and experimental design. By C. Timmreck et al. in Geoscientific Model development.

Convective influence on the humidity and clouds in the tropical tropopause layer during boreal summer. By R. Ueyama, E. Jensen, and L. Pfister in the Journal of Geophysical Research: Atmospheres.

On the linkage among strong stratospheric mass circulation, stratospheric sudden warming, and cold weather events. By Y. Yu et al. in the Monthly Weather Review.

The Interconnected Global Climate System—A Review of Tropical–Polar Teleconnections. By X. Yuan, M.R. Kaplan, and M.A. Cane in the Journal of Climate.