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

Assessing the Impacts of Assimilating IASI and MOPITT CO Retrievals Using CESM-CAM-chem and DART. By J. Barré et al. in the Journal of Geophysical Research: Atmospheres.

Understanding the contrasting North Atlantic Oscillation anomalies of the winters of 2010 and 2014. By G. Rivière and M. Drouard in Geophysical Research Letters.

Global validation of SCIAMACHY limb ozone data (versions 2.9 and 3.0, IUP Bremen) using ozonesonde measurements. By J. Jia et al. in Atmospheric Measurement Techniques.

Momentum Flux Estimates Accompanying Multi-Scale Gravity Waves over Mt. Cook, New Zealand on 13 July 2014 during the DEEPWAVE Campaign. By K. Bossert et al. in the Journal of Geophysical Research: Atmospheres.

Comparison of ozone retrievals from the Pandora spectrometer system and Dobson spectrophotometer in Boulder, Colorado. By J. Herman et al. in Atmospheric Measurement Techniques.

A case study of typhoon-induced gravity waves and the orographic impacts related to Typhoon Mindulle (2004) over Taiwan. By J.F. Wu et al. in the Journal of Geophysical Research: Atmospheres.

Climate extremes in multi-model simulations of stratospheric aerosol and marine cloud brightening climate engineering. By V.N. Aswathy et al. in Atmospheric Chemistry and Physics.