Abstract: Global analyses from the European Centre for Medium-Range Weather Forecasts (ECMWF) are used to analyze the sequence of events leading to the creation of a large-scale reversal of potential vorticity (PV) gradients across ...

Abstract: Ten years (1986?95) of global analyses from the European Centre for Medium-Range Weather Forecasts are used to investigate the temporal and spatial distributions of Rossby wave breaking (RWB) at 350 K along the tropopause, ...