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

Seasonal winter forecasts and the stratosphere. By A.A. Scaife et al. in Atmospheric Science Letters.

Water vapor stratification and dynamical warming behind the sharpness of the Earth’s mid-latitude tropopause. By A.P. Ferreira in the Quarterly Journal of the Royal Meteorological Society.

Spatial mapping of ground-based observations of total ozone. By K.-L. Chang et al. in Atmospheric Measurement Techniques.

Solar signals in CMIP-5 Simulations: Effects of Atmosphere–ocean Coupling. By S. Misios et al. in the Quarterly Journal of the Royal Meteorological Society.

Impacts of high-latitude volcanic eruptions on ENSO and AMOC. By F.S.R. Pausata in Proceedings of the National Academy of Sciences of the United States of America.

Airborne measurements of organic bromine compounds in the Pacific tropical tropopause layer. By M.A. Navarro et al. in Proceedings of the National Academy of Sciences of the United States of America.

Atlantic hurricane surge response to geoengineering. By J.C. Moore et al. in Proceedings of the National Academy of Sciences of the United States of America.

Solar geoengineering using solid aerosol in the stratosphere. By D.K. Weisenstein et al. in Atmospheric Chemistry and Physics.

Stratospheric geoengineering impacts on El Niño/Southern Oscillation. By C.J. Gabriel and A. Robock in Atmospheric Chemistry and Physics.

Radiative Impacts of the 2011 Abrupt Drops in Water Vapor and Ozone in the Tropical Tropopause Layer. By D.M. Gilford et al. in the Journal of Climate.

Enhanced long-range forecast skill in boreal winter following stratospheric strong vortex conditions. By O.P. Tripathi et al. in Environmental Research Letters.

Discussion papers – open for comment

Upper-tropospheric humidity changes under constant relative humidity. By K. Gierens and K. Eleftheratos in Atmospheric Chemistry and Physics Discussions.