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

Distinguishing trends and shifts from memory in climate data. By C. Beaulieu and R. Killick in the Journal of the Climate.

Wireless Frequency Sharing May Impede Weather Satellite Signals. By J. Gerth in EOS.

On the Upward Extension of the Polar Vortices Into the Mesosphere. B V.L. Harvey et al. in te Journal of Geophysical Research: Atmospheres.

The role of synoptic‐scale waves in the onset of the South China Sea summer monsoon. By J. Huangfu et al. in the Atmospheric Science Letters.

Atmospheric Kelvin–Helmholtz billows captured by the MU radar, lidars and a fish-eye camera. By H. Luce et al. in Earth, Planets and Space.

Convectively Generated Gravity Waves in High Resolution Models of Tropical Dynamics. By S.K. Müller et al. in the Journal of Advances in Modeling Earth Systems.

Stratosphere Perturbed by the 2011 Mw9.0 Tohoku Earthquake. By X. Yan et al. in the Geophysical Research Letters.