Tag Archives: jet stream

All I want for Christmas is some PV maps…

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

Improving jet stream forecasts through observational experiment

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