It means places as far west as Northern Ireland and as far east as the coast at Norfolk will, at various points, see some flurries on New Year's Eve or New Year's Day.
The largest of these is low pressure sweeping in from the west, and this will move in a southwesterly direction from the northwest during the night of New Year's Eve into New Year's Day.
The earliest of the snowfall is thought to happen at around 3pm on New Year's Eve on higher ground in Cumbria, including the Lake District.
Exact route 550-mile wall of snow will take as UK braces for -5C cold snap Brits are braced to endure heavy snowfall in just one weeks' time - as a cold Arctic vortex moves south.
Lows of -5C are anticipated on New Year's Eve across the Scottish Highlands.
