By Charlie Duffield Britain could soon be hit by a 867-mile storm with snow and rain, according to new weather maps. The new mapped forecast from WXCharts indicates that an enormous weather front from the Atlantic will hit, meaning parts of the north of England in particular will be covered in snow. It’s likely that areas which are further south will see heavy rain. Rain will mainly be in the midlands covering Manchester, Birmingham, Cardiff, Norwich and Peterborough. Manchester, Hull and Worcester will see the heaviest rain, of up to 3mm an hour. There will also be showers all over Northern I…