Traffic on a motorway during snowfall
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The science behind the scenes of frozen northern Europe

Heavy snowfall has been causing severe disruption in north-west Europe. Hundreds of flights via Frankfurt and Paris have been cancelled.

The Eurostar high-speed train service between London, Paris and Brussels has been suspended until at least Wednesday.

BBC forecaster Matt Taylor explains why it is so unusually cold in north-west Europe.

  • 12 Mar 2013
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