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

Measurements and Modeling of Contemporary Radiocarbon in the Stratosphere. By A.M. Kanu et al. in Geophysical Research Letters.

Reanalyses and Observations: What’s the difference? By W.S. Parker in the Bulletin of the American Meteorological Society.

The ACRIDICON-CHUVA campaign: Studying tropical deep convective clouds and precipitation over Amazonia using the new German research aircraft HALO. By M. Wendisch et al. in the Bulletin of the American Meteorological Society.

A wave-activity view of the relation between the Mediterranean storm track and the North Atlantic Oscillation in winter. By M. Rezaeian et al. in the Quarterly Journal of the Royal Meteorological Society.

Synoptic and meteorological drivers of extreme ozone concentrations over Europe. By N. Otero et al. in Environmental Research Letters.

New approaches to quantifying aerosol influence on the cloud radiative effect. By G. Feingold et al. in Proceedings of the National Academy of Sciences of the United States of America.

Potential for long-lead prediction of the western North Pacific monsoon circulation beyond seasonal time scales. By J. Choi et al. in Geophysical Research Letters.

How do carbon cycle uncertainties affect IPCC temperature projections? By R.W. Bodman et al. in Atmospheric Science Letters.

Discussion papers – open for comment

Persistance of upper stratospheric winter time tracer variability into the Arctic spring and summer. By D.E. Siskind et al. in Atmospheric Chemistry and Physics Discussions.

Representation of the Tropical Stratospheric Zonal Wind in Global Atmospheric Reanalyses. By Y. Kawatami et al. in Atmospheric Chemistry and Physics Discussions.

Observations of PAN and its confinement in the Asian Summer Monsoon Anticyclone in high spatial resolution. By J. Ungermann et al. in Atmospheric Chemistry and Physics Discussions.

Adapted ECC ozone sonde for long-duration flights aboard boundary-layer pressurized balloons. By F. Ghuesi et al. in Atmospheric Measurement Techniques.

Interpreting Space-Based Trends in Carbon Monoxide. By S. Strode et al in Atmospheric Chemistry and Physics Discussions.

Gravity-wave effects on tracer gases and stratospheric aerosol concentrations during the 2013 ChArMEx campaign. By F. Chane Ming et al. in Atmospheric Chemistry and Physics Discussions.