SPARC Science update: 18 February – 24 February

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

 

Evaluation of the Quasi‐Biennial Oscillation in global climate models for the SPARC QBO‐initiative. By A.C. Bushell et al. in the Quarterly Journal of the Royal Meteorological Society.


QBO changes in CMIP6 climate projections. By N. Butchart et al. in the Geophysical Research Letters.

First detection of a Brief Mesoscale Elevated Stratopause in very early winter. By M. García-Comas et al. in the Geophysical Research Letters.

The Impact of the Stratosphere on the MJO in a Forecast Model. By Z. Martin et al. in the Journal of Geophysical Research: Atmospheres.

Impact of satellite observations on forecasting sudden stratospheric warmings. By S. Noguchi et al. in the Geophysical Research Letters.

Impact of Quasi-Biennial Oscillation on the northern winter stratospheric polar vortex in CMIP5/6 models. By J. Rao, C.I. Garfinkel, and I.P. White in the Journal of the Climate.

Technical note: Intermittent reduction of the stratospheric ozone over northern Europe caused by a storm in the Atlantic Ocean. By M. Sofiev et al. in Atmospheric Chemistry and Physics.

Seasonality of the MJO impact on upper troposphere/lower stratosphere temperature, circulation and composition. By O.V. Tweedy, L.D. Oman, and D.W. Waugh in the Journal of the Atmospheric Sciences.

 

Discussion papers – open for comment:

Impact of convection on the upper-tropospheric composition (water vapor/ozone) over a subtropical site (Réunion Island, 21.1° S–55.5° E) in the Indian Ocean. By D. Héron et al. in Atmospheric Chemistry and Physics.

Evaluating stratospheric ozone and water vapor changes in CMIP6 models from 1850–2100. By J. Keeble et al. in Atmospheric Chemistry and Physics.

Study of the dependence of stratospheric ozone long-term trends on local solar time. By E.Maillard Barras et al. in Atmospheric Chemistry and Physics.

Investigating stratospheric changes between 2009 and 2018 with aircraft, AirCores, and a global model focusing on CFC-11. By J.C. Laube et al. in Atmospheric Chemistry and Physics.