Abstract: The relative roles of meridional temperature gradients and static stability with regard to the extratropical response to thermal perturbations are explored in a dry primitive equation (PE) GCM. A quasigeostrophic (QG) model ...

Abstract: The annular mode, the leading pattern of low-frequency variability in the extratropics, owes its temporal persistence to a positive feedback between eddy momentum fluxes and the background zonal wind anomalies associated ...