SPARC Science update: 30 June – 6 July

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


Highlight articles (office choice):

The SPARC Quasi‐Biennial Oscillation initiative. By J.A. Anstey, N. Butchart, K. Hamilton, and S.M. osprey in the Quarterly Journal of the Royal meteorological Society.


The combined influence of ENSO and PDO on the spring UTLS ozone variability in South America. By B.L. Gamelin, L.M.V. Carvalho and M. Kayano in Climate Dynamics.

Stratosphere–Troposphere Exchange and O3 Variability in the Lower Stratosphere and Upper Troposphere over the Irene SHADOZ Site, South Africa. By T. Mkolo et al. in Atmosphere.

An Array of Ringing Global Free Modes Discovered in Tropical Surface Pressure Data. By T. Sakazaki and K. Hamilton in the Journal of the Atmospheric Sciences.

Propagation of gravity waves and its effects on pseudomomentum flux in a sudden stratospheric warming event. By I.-S. Song et al. in Atmospheric Chemistry and Physics.

Tropical Widening: From Global Variations to Regional Impacts. By P.W. Staten et al. in the Bulletin of the American Meteorological Society.

Warming reaches the South Pole. By S.E. Stammerjohn and T.A. Scambos in Nature Climate Change.

Synergy of Satellite- and Ground-Based Observations for Continuous Monitoring of Atmospheric Stability, Liquid Water Path, and Integrated Water Vapor: Theoretical Evaluations Using Reanalysis and Neural Networks. By M. Toporov and U. Löhnert in the Journal of Applied meteorology and Climatology.

Balloon‐borne observations of short vertical wavelength gravity waves and interaction with QBO winds. By R.A. Vincent and M.J. Alexander in the Journal of Geophysical Research: Atmospheres.

Will COVID’s Cleaner Skies Muddy Climate Models? By J. Wendel in earth and Space Science News.


Discussion papers – open for comments:

Measurement report: Immediate impact of the Taal volcanic eruption on atmospheric temperature observed from COSMIC-2 RO measurements. By S.R. Babu and Y.-A. Liou in Atmospheric Chemistry and Physics.

Seventeen years of ozone sounding at L’Aquila, Italy: evidence of mid-latitude stratospheric ozone recovery and tropospheric profile changes. By D. Visioni et al. in Atmospheric Chemistry and Physics.

The response of stratospheric water vapor to climate change driven by different forcing agents. By X. Wang and A.E. Dessler in Atmospheric Chemistry and Physics.