SPARC Science Update: 29 July – 4 August

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

Early prediction of extreme stratospheric polar vortex states based on causal precursors. By M. Kretschmer et al. in Geophysical Research Letters.

The Response of the Southern Hemisphere Middle Atmosphere to the Madden-Julian oscillation during Austral Winter Using the Specified-Dynamics Whole Atmosphere Community Climate Model. By C. Yang et al. in the Journal of Climate.

MIPAS IMK/IAA carbon tetrachloride (CCl4) retrieval and first comparison with other instruments. By E. Eckert et al. in Atmospheric Measurement Techniques.

More frequent Sudden Stratospheric Warming events due to enhanced MJO forcing expected in a warmer climate. By W. Kang and E. Tziperman in the Journal of Climate.

The Large Scale Dynamical Response of Clouds to Aerosol Forcing. By B. Soden and E.-S. Chung in the Journal of Climate.

Using the artificial tracer e90 to examine present and future UTLS tracer transport in WACCM. By M. Abalos et al. in the Journal of the Atmospheric Sciences.

An assessment of ozone mini-hole representation in reanalyses over the Northern Hemisphere. By L.F. Millan and G.L. Manney in Atmospheric Chemistry and Physics.

Discussion papers – open for comment

The Impact of Non-uniform Sampling on Stratospheric Ozone Trends Derived from Occultation Instruments. By R.P. Damadeo et al. in Atmospheric Chemistry and Physics Discussions.