Monthly Archives: October 2015

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

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The fair breeze blew, the white foam flew …

By Ray Bell In winter-time when the temperature gradient between the pole and the equator sharpens, the North Atlantic becomes a breeding ground for intense storms (extratropical cyclones). Occasionally associated with intense winter storms is a ‘phenomenal sea state’ (WMO … Continue reading

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What will the weather be like in 3 weeks time?

By Steve Woolnough This may seem like a silly question, and whilst weather forecasts can’t tell you if it will be raining at lunchtime three weeks from today, they may be able to tell you whether in 3 weeks it’s … Continue reading

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