snow
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Britain is bracing for one of winter's most formidable onslaughts as forecasters warn of a huge blizzard that could stretch for 569 miles and hit 63 counties across the country next week.

The vast system will transform swathes of the UK into a winter wonderland, though the disruption it promises will be anything but romantic.

New weather maps released this week show a deep freeze on the way, with forecasters saying Scotland will be hit hardest.

According to forecaster WXCharts, all 32 Scottish counties are expected to be smothered in up to 30 centimetres of snow by 7 January, whilst the system stretches southward across the English border into Northumberland, Cumbria, Lancashire, North Yorkshire, Merseyside, Greater Manchester, Cheshire, Shropshire and Staffordshire.

The wintry precipitation then makes its way across the Bristol Channel, coating parts of Devon and Somerset with fresh powder. Around 16 Welsh counties are expected to fall within the snow's path, though Pembrokeshire in the far west and some south-eastern districts, including Monmouthshire and Newport, may escape the worst. Every county in Northern Ireland will apparently be affected, with the exception of Armagh and Down.

When Will Snow Hit And How Cold Will It Get?

A separate temperature forecast suggests lows of −3°C will grip East Anglia, the north of England and Scotland at midnight on 7 January, presenting hazardous conditions for drivers and commuters alike. This arctic freeze will persist for days, with the Met Office issuing amber warnings for affected regions and urging residents to prepare for disruptions to transport, utilities and services.

The Met Office's own long-term forecast for 6 to 15 January reveals a more complex picture than simple snowfall. In their latest outlook, they note that 'the recent spell of cold, northerly winds should begin to ease by the middle of next week, with snow showers in the north and east becoming lighter and less frequent.' However, they warn that 'bands of rain seem likely to gradually move in off the Atlantic and, as these encounter the cold air entrenched over the UK, some further snowfall is possible, particularly in central and eastern areas, with rain more likely in the west.'

Looking ahead, the Met Office suggests conditions will remain volatile. 'From next weekend, the outlook becomes more uncertain,' they explain. 'Most likely is that conditions will be less cold than recently, but there still remains potential for further spells of snow, especially in northern and central areas. Further south and west, some milder interludes are possible, with the chance of some heavier rain and stronger winds at times.'

Why Snow Forecasting In The UK Remains So Challenging

The difficulty in predicting Britain's winter weather lies in the razor-thin margins between rain, sleet and snow. Experts emphasise that 'small variations in temperature or wind direction can mean the difference between rain, sleet or snow,' making confident predictions notoriously tricky in a climate as volatile as ours.

Meteorologists use high-resolution computer models to predict whether rain or snow will fall. Yet these sophisticated systems often struggle when temperatures hover around freezing, a situation that occurs frequently across the UK during winter. This marginal uncertainty means that even the most experienced forecasters sometimes issue warnings with less confidence than they might prefer, leaving the public guessing whether their region will see snow or rain when the forecast cone passes overhead.

As next week approaches, households across the 63 affected counties should begin preparing now, stock essentials, check heating systems, and plan for possible travel disruptions. The forecasts may contain uncertainties, but one thing is certain: Britain is about to experience a proper winter spell.