Application deadline: 30 July 2015

Find more details on: http://www.fz-juelich.de/iek/iek-8/EN/Expertise/Education/Summerschool/Summerschool_node.html

Due date for nominations: 1 October 2015

At the initiative of the WCRP Modeling Advisory Council, the WCRP and WWRP have established an International Prize for Model Development, awarded annually for an outstanding contribution to weather and climate model development by an early- to mid-career researcher.

More details on eligibility, required nomination material and selection process can be found at http://www.wcrp-climate.org/wmac-activities/ipmd2015.

Nominations of suitable candidates should be forwarded to the WCRP () or WWRP () secretariat at WMO and must be received by 1 Oct 2015.

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

Simulation of Polar Ozone Depletion: An Update. By S. Solomon et al. in the Journal of Geophysical Research: Atmospheres.

Characteristics of Tropopause-penetrating Convection determined by TRMM and COSMIC GPS radio occultation measurements. By T. Xian and Y. Fu in the Journal of Geophysical Research: Atmospheres.

Sulfur dioxide (SO₂) from MIPAS in the upper troposphere and lower stratosphere 2002–2012. By M. Höpfner et al. in Atmospheric Chemistry and Physics.

Simulation of the isotopic composition of stratospheric water vapour – Part 2: Investigation of HDO / H₂O variations. By R. Eichinger et al. in Atmospheric Chemistry and Physics.

Identifying Robust Transport Features of the Upper Tropical Troposphere. By J.W. Bergman et al. in the Journal of Geophysical Research: Atmospheres.

Active and widespread halogen chemistry in the tropical and subtropical free troposphere. By S. Wang et al. in Proceedings of the National Academy of Sciences of the United States of America.

The distribution of precipitation and the spread in tropical upper tropospheric temperature trends in CMIP5/AMIP simulations. By S. Flueglistaler et al. in Geophysical Research Letters.

GROMOS-C, a novel ground-based microwave radiometer for ozone measurement campaigns. By S. Fernandez et al. in Atmospheric Measurement Techniques.

Multi-model simulation of CO and HCHO in the Southern Hemisphere: comparison with observations and impact of biogenic emissions. By G. Zeng et al. in Atmospheric Chemistry and Physics.

Discussion papers – open for comment

Effect of retreating sea ice on Arctic cloud cover in simulated recent global warming. By M. Abe et al. in Atmospheric Chemistry and Physics Discussions.

Sensitivity of polar stratospheric cloud formation to changes in water vapour and temperature. By F. Khosrawi et al. in Atmospheric Chemistry and Physics Discussions.

The contribution of oceanic halocarbons to marine and free troposphere air over the tropical West Pacific. By S. Fuhlbrügge et al. in Atmospheric Chemistry and Physics Discussions.