SPARC Science update: 22 September – 28 September

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


Application of Deep Learning to Estimate Atmospheric Gravity Wave Parameters in Reanalysis Datasets. By D. Matsuoka et al. in the Geophysical Research Letters.

COnstraining ORographic Drag Effects (COORDE): a model comparison of resolved and parametrized orographic drag. By A. van Niekerk et al. in the Journal of Advances in Modeling Earth Systems.

Wintertime Southern Hemisphere jet streams shaped by interaction of transient eddies with Antarctic orography. By M. Patterson et al. in the Journal of the Climate.

Multi‐Decadal Measurements of UTLS Gravity Waves Derived from Commercial Flight Data. By C.J. Wright and T.P. Banyard in the Journal of Geophysical Research: Atmospheres.

Variations in the Frequency of Stratospheric Sudden Warmings in CMIP5 and CMIP6 and Possible Causes. By Z. Wu and T. Reichler in the Journal of the Climate.


Discussion papers – open for comment:

The Spring Transition of the North Pacific Jet and its Relation to Deep Stratosphere-to-Troposphere Mass Transport over Western North America. By M.L. Breeden et al. in Atmospheric Chemistry and Physics.

Sensitivity of stratospheric water vapour to variability in tropical tropopause temperatures and large-scale transport. By J.W. Smith et al. in Atmospheric Chemistry and Physics.