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So looks like another cold winter is on the way for the UK, it seems a number of factors are again conspiring to set the stage for the white stuff!. One of the reasons for last years cold spell was a massively negative North Atlantic Oscillation (NAO)

Because of this a blocking weather pattern can establish for the UK, with high pressure sitting over Iceland and low pressure over the Azores. This acts like a massive wall for all the windy, wet and mild storm systems that run in from the west and pushes them further south into Europe. This then opens the UK up to Easterlies, Northerlies and the big daddy of snow makers the Polar Low. According various reports we have a high chance of a strongly negative NAO this year, and with continued Low Solar output there seems a good chance again of seeing some pretty cold snowy weather conditions in the UK.

As you can see (as of Oct 10th 2010) the NAO is currently predicted to go negative, and the weather patterns are duly sitting into place over the UK as a big high pressure establishes itself for the coming week.

For the experts view on this read BBC norths Paul Hudsons Post.

woop!