A massive 326-mile wall of snow will be sweeping across the UK as an Arctic blast sparks a "rare" weather event . New weather maps from Ventusky show the band of snow stretching from Ullapool, in Scotland , down to Manchester . Maps show also showed upward of 8mm of the freezing rain could fall in Merseyside, Lancashire, Greater Manchester as well as the west coast of Scotland this morning. The Met Office describes freezing rain as a "rare type of liquid precipitation" that strikes a cold