Tag Archives: Rossby waves

All I want for Christmas is some PV maps…

Posted on 21 December, 2020 by timpoulter

By: Ben Harvey For many years, the department webpages have hosted real-time plots of large-scale atmospheric conditions based on operational ECMWF analysis data. Over the last few months we’ve been revamping them with a new webpage and higher-resolution images. I … Continue reading →

Posted in Climate | Tagged , | Leave a comment

The driving mechanism of large-scale unsteady currents in the ocean

Posted on 1 February, 2016 by Stephen Burt

By Antoine Hochet During the last twenty years, measurements of the ocean surface properties by satellite instruments have significantly increased our knowledge of ocean dynamics. One of these instruments is an altimeter that measures the topography of the ocean surface … Continue reading →

Posted in earth observation, Oceans, Remote sensing | Tagged | Leave a comment

Improving jet stream forecasts through observational experiment

Posted on 28 October, 2015 by Stephen Burt

By John Methven Weather systems developing over the North Atlantic and hitting Europe are intimately related to large-amplitude meanders of the jet stream, known as Rossby waves. Characteristic weather patterns grow in concert with the waves, and the jet stream … Continue reading →

Posted in Environmental hazards, Environmental physics, extratropical cyclones, Numerical modelling, Weather forecasting | Tagged , | Leave a comment