SPARC Science update: 6 August –12 August

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


Detection, variability, and predictability of monsoon onset and withdrawal dates: a review. By R.J. Bombardi, V. Moron, and J.S. Goodnight in the International Journal of Climatology.

Satellite Limb Observations of Unprecedented Forest Fire Aerosol in the Stratosphere. By A.E. Bourassa et al. in the Journal of Geophysical Research: Atmospheres.

Are sudden stratospheric warmings preceded by anomalous tropospheric wave activity? By A. de la Cámara, T. birner, and J.R. Albers in the Journal of the Climate.

The impact of recent changes in Asian anthropogenic emissions of SO2 on sulfate loading in the upper troposphere and lower stratosphere and the associated radiative changes. By S. Fadnavis et al. in Atmospheric Chemistry and Physics.

Changes in hydrochlorofluorocarbon (HCFC) emissions in China during 2011‐2017. By X. Fang et al. in the Geophysical Research Letters.

Comparison of equatorial wave activity in the tropical tropopause layer and stratosphere represented in reanalyses. By Y.-H. Kim et al. in Atmospheric Chemistry and Physics.

Tropical deep convection impact on southern winter stationary waves and its modulation by the Quasi-Biennial Oscillation. By C. Peña-Ortiz, E. Manzini, and M.A. Giorgetta in the Journal of the Climate.

Quantifying the local effect of Northern Hemisphere atmospheric blocks on the persistence of summer hot and dry spells. By M. Röthlisberger and O. Martius in the Geophysical Research Letters.

Emissions of halocarbons from India inferred through atmospheric measurements. By D. Say et al. in Atmospheric Chemistry and Physics.

Interannual variations of water vapor in the tropical upper troposphere and the lower and middle stratosphere and their connections to ENSO and QBO. By E.W. Tian et al. in Atmospheric Chemistry and Physics.


Discusion papers – open for comments:

Tropical and mid-latitude teleconnections interacting with the Indian summer monsoon rainfall: A Theory-Guided Causal Effect Network approach. By G. Di Capua et al. in Earth System Dynamics.