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

 

Assimilation of atmospheric infrasound data to constrain tropospheric and stratospheric winds. By J. Amezcua et al. in the Quarterly Journal of the Royal Meteorological Society.

Examining the impact of multiple climate forcings on simulated Southern Hemisphere climate variability. By A.F. Beraki et al. in Climate Dynamics.

Why are radar data so difficult to assimilate skillfully? By F. Fabry and V. Meunier in the Monthly Weather Review.

Subseasonal Vacillations in the Winter Stratosphere. By :C: Hardiman et al. in the Geophysical Research Letters.

Coupled Stratospheric Chemistry–Meteorology Data Assimilation. Part I: Physical Background and Coupled Modeling Aspects. By R. Ménard et al. in Atmosphere.

Coupled Stratospheric Chemistry–Meteorology Data Assimilation. Part II: Weak and Strong Coupling. By R. Ménard et al. in Atmosphere.

Facility for Climate Assessments (FACTS) – A Community Resource for Assessing Weather and Climate Variability. By D. Murray et al. in the Bulletin of the American Meteorological Society.

Observation of jet stream winds during NAWDEX and characterization of systematic meteorological analysis errors. By A. Schäfler et al. in the Monthly Weather Review.

A tropospheric pathway of the stratospheric quasi-biennial oscillation (QBO) impact on the boreal winter polar vortex. By K. Yamazaki et al. in Atmospheric Chemistry and Physics.

FOUR THEORIES OF THE MADDEN‐JULIAN OSCILLATION. By C. Zhang et al. in the Reviews of Geophysics.

 

Discussion papers – open for comment:

Superposition of gravity waves with different propagation characteristics observed by airborne and space-borne infrared sounders. By I. Krisch et al. in Atmospheric Chemistry and Physics.