SPARC Science update: 11 June –17 June

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


Quantifying Regional Sensitivities to Periodic Events: Application to the MJO. By A.M. Jenney, D.A. Randall, and E.A. Barnes in the Journal of Geophysical Research: Atmospheres.
–> See also: EOS article at:

The ENSO and QBO impact on ozone variability and stratosphere‐troposphere exchange relative to the subtropical jets. By M.A. Olsen, G.L. Manney, and J. Liu in the Journal of Geophysical Research: Atmospheres.

Setting and smashing extreme temperature records over the coming century. By S.B. Power and F.P.D. Delage in Nature: Climate Change.

Spectral Empirical Orthogonal Function analysis of weather and climate data. By O.T. Schmidt et al. in the Monthly Weather Review.

An international conference that presents current advances in simulating and observing atmospheric processes.
–> Conference report on: UCP2019 – Understanding Clouds and Precipitation. By W. Schubotz et al. in the Bulletin of the American Meteorological Society.

Intercomparison of gravity waves in global convection-permitting models. By C.C. Stephan et al. in the Journal of the Atmospheric Sciences.

Efficient modelling of the interaction of mesoscale gravity waves with unbalanced large-scale flows: Pseudomomentum-flux convergence versus direct approach. By J. Wei, G. Bölöni, and U. Achatz in the Journal of the Atmospheric Sciences.

Isotopic constraint on the twentieth-century increase in tropospheric ozone. By L.Y. Yeung et al. in Nature.

Trends in summer heatwaves in Central Asia from 1917 to 2016: association with large‐scale atmospheric circulation patterns. By S. Yu et al. in the International Journal of Climatology.

Discussion papers – open for comment:

On the impact of future climate change on tropopause folds and tropospheric ozone. By D. Akritidis, A. Pozzer, and P. Zanis in Atmospheric Chemistry and Physics.

The UK Environmental Change Network datasets – integrated and co-located data for long-term environmental research (1993–2015). By S. Rennie et al. in Earth System Science Data.