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

Atmospheric Gravity Waves in Aeolus Wind Lidar Observations. By T.P. Banyard et al., in the Geophysical Research Letters.

Dynamical differences between short and long blocks in the Northern Hemisphere. By M. Drouard et al., in the Journal of Geophysical Research: Atmospheres.

The impact of volcanic eruptions of different magnitude on stratospheric water vapor in the tropics. By C.A. Kroll et al. in Atmospheric Chemistry and Physics.

SOUTHTRAC-GW: An Airborne Field Campaign to Explore Gravity Wave Dynamics at the World’s Strongest Hotspot. By M. Rapp et al., in the Bulletin of the American Meteorological Society.

Impacts of teleconnection patterns on South America climate. By M. Simões Reboita et al., in the Annals of the News York Academy of Sciences.