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

Tug of war on summertime circulation between radiative forcing and sea surface warming. By T.A. Shaw and A. Voigt in Nature Geoscience.

Climate Symposium 2014 – Findings and Recommendations. By G. Asrar et al. in the Bulletin of the American Meteorological Society.

Evaluation of updated nitric acid chemistry on ozone precursors and radiative effects. By K.M. Seltzer et al. in Atmospheric Chemistry and Physics.

Interannual variability of the Madden-Julian Oscillation and its impact on the North Atlantic Oscillation in the boreal winter. By H. Lin et al. in Geophysical Research Letters.

Black Carbon Aerosols Induced Northern Hemisphere Tropical Expansion. By M. Kovilakam and S. Mahajan in Geophysical Research Letters.

The role of blocking in the summer 2014 collapse of Etesians over the eastern Mediterranean. By E. Tyrlis et al. in the Journal of Geophysical Research: Atmospheres.

Gravity wave propagation through a vertically and horizontally inhomogeneous background wind. By C.J. Heale and J.B. Snively in the Journal of Geophysical Research: Atmospheres.

The effect of ozone depletion on the Southern Annular Mode and stratosphere-troposphere coupling. By F. Dennison et al. in the Journal of Geophysical Research: Atmospheres.

Stratospheric sulfate aerosol injections cannot preserve the West Antarctic Ice Sheet. By K.E. McCusker et al. in Geophysical Research Letters.

Discussion Papers – Open for comment

Transport pathways of peroxyacetyl nitrate in the upper troposphere and lower stratosphere from different monsoon systems during the summer monsoon season. By S. Fadnavis et al. in Atmospheric Chemistry and Physics Discussions.