SPARC Science Update: 21-27 November

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

Synchronisation of the equatorial QBO by the annual cycle in tropical upwelling in a warming climate. By K. Rajendran et al. in the Quarterly Journal of the Royal Meteorological Society.

Assessing the role of precursor cyclones on the formation of extreme Greenland blocking episodes and their impact on summer melting across the Greenland ice sheet. By J.T. McLeod and T.L. Mote in the Journal of Geophysical Research: Atmospheres.

The changing ozone depletion potential of N2O in a future climate. By L.E. Revell et al. in Geophysical Research Letters.

Instantaneous longwave radiative impact of ozone: an application on IASI/MetOp observations. By S. Doniki et al. in Atmospheric Measurement Techniques.

Radiative and Dynamical Influences on Polar Stratospheric Temperature Trends. By D.J. Ivy et al. in the Journal of Climate.

The hydrological cycle response to cirrus cloud thinning. By J.E. Kristjansson et al. in Geophysical Research Letters.

Enhanced internal gravity wave activity and breaking over the northeastern Pacific–eastern Asian region. By P. Šácha et al. in Atmospheric Chemistry and Physics.

Discussion papers – open for comment

Modelled thermal and dynamical responses of the middle atmosphere to EPP-induced ozone changes. By K. Karami et al. in Atmospheric Chemistry and Physics Discussions.