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Locked In Polar Vortex To Blame For UK Flooding?

This winter has for the most part been dominated by an active zonal flow which in essence means the weather has come from the west and as most of you will know when this occurs, wet and windy weather will be the main feature in such a flow.   This flow has unfortunately led to floods across the UK with these certainly more apparent recently especially across parts of Wales and the Midlands. Our own re-analysis highlights the fact that many western areas have indeed been far wetter than is the norm.   So the question for many will be why? Why has the pattern been so dominant? For the answer we have to look way up in the stratosphere. …

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