Abstract: We examine the nature and spatial structure of meteorological high-frequency variability in two selected areas, one including the Alps and the other the Rocky Mountains. Seven years of geopotential height data, derived ...

Abstract: The stability properties of a Helmholtz velocity profile in a stratified, Boussinesq fluid are investigated in the presence of a jump in the Brunt- Väisälä (BV) frequency at a level different from the one where the vortex ...

Abstract: Seven years of analyses and forecasts from the operational archives of the European Centre for Medium-Range Weather Forecasts have been analyzed to assess the performance of the model in forecasting blocking events. This ...