SPARC Science Update: 26 September – 2 October

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

Multigrid solvers and multigrid preconditioners for the solution of variational data assimilation problems. By L. Debreu et al. in the Quarterly Journal of the Royal Meteorological Society.

Stratosphere–troposphere exchange (STE) in the vicinity of North Atlantic cyclones. By P. Ruetter et al. in Atmospheric Chemistry and Physics.

Altitude misestimation caused by the Vaisala RS80 pressure bias and its impact on meteorological profiles. By Y. Inai et al. in Atmospheric Measurement Techniques.