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

Simulating the Antarctic stratospheric vortex transport barrier: comparing the Unified Model to reanalysis. By C. Cameron et al. in Climate Dynamics.

The South American Low‐Level Jet: a New Climatology, Variability, and Changes. By T.L. Montini, C. Jones, and L.M.V. Carvalho in the Journal of Geophysical Research: Atmospheres.

Initialization and ensemble generation for decadal climate predictions: A comparison of different methods. By I. Polkova et al. in the Journal of Advances in Modeling Earth Systems.

A Dynamical Perspective on Atmospheric Temperature Variability and its Response to Climate Change. By T. Tamarin-Brodsky et al. in the Journal of the Climate.

The Development of the North Pacific Jet Phase Diagram as an Objective Tool to Monitor the State and Forecast Skill of the Upper-Tropospheric Flow Pattern. By A.C. Winters, D. Keyser, and L.F. Bosart in Weather and Forecasting.