SPARC Science Update: 23-29 April

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

Responses of European precipitation distributions and regimes to different blocking locations. By P.M. Sousa et al. in Climate Dynamics.

Atlantic Near-Term Climate Variability and the Role of a Resolved Gulf Stream. By L. Siqueira and B.P. Kirtman in Geophysical Research Letters.

Characteristics of gravity waves from convection and implications for their parameterization in global circulation models. By C. Stephan et al. in the Journal of the Atmospheric Sciences.

Sensitivity of resolved and parameterized surface drag to changes in resolution and parameterization. By A. van Niekerk et al. in the Quarterly Journal of the Royal Meteorological Society.

Anthropogenic forcing on the Hadley circulation in CMIP5 simulations. By L. Tao and Y. Hu in Climate Dynamics.

Characteristics of stratospheric warming events during Northern winter. By P. Maury et al. in the Journal of Geophysical research: Atmospheres.

Is climate sensitivity related to dynamical sensitivity? By K.M. Grise and L.M. Polvani in the Journal of Geophysical research: Atmospheres.

The impact of wave-mean flow interaction on the Northern Hemisphere polar vortex after tropical volcanic eruptions. By M. Bittner et al. in the Journal of Geophysical research: Atmospheres.

Discussion papers – open for comment

Emissions of Carbon Tetrachloride (CCl4) from Europe. By F. Graziosi et al. in Atmospheric Chemistry and Physics Discussions.

Satellite observations of middle atmosphere gravity wave activity and dissipation during recent stratospheric warmings. By M. Ern et al. in Atmospheric Chemistry and Physics Discussions.

Proposed standardized definitions for vertical resolution and uncertainty in the NDACC lidar ozone and temperature algorithms – Part 1: Vertical resolution. By T. Leblanc et al. in Atmospheric Measurement Techniques Discussions.

Regional and seasonal radiative forcing by perturbations to aerosol and ozone precursor emissions. By N. Bellouin et al. in Atmospheric Chemistry and Physics Discussions.

Errors induced by different approximations in handling horizontal atmospheric inhomogeneities in MIPAS/ENVISAT retrievals. By E. Castelli et al. in Atmospheric Measurement Techniques Discussions.