The United Kingdom is preparing for a period of extremely cold weather and heavy snowfall, with multiple yellow weather warnings set to come into effect tomorrow.
The Met Office has issued four snow and ice alerts, in addition to two separate ice warnings for Wednesday. The national weather service has indicated that this week will bring significantly colder conditions as Arctic air moves southward, leading to a mix of wintry hazards, sharp frosts, and unsettled weather.
According to GFS model maps, the most intense snowfall is forecasted to occur around midnight on Wednesday, primarily affecting the North East regions such as Newcastle, Durham, and the Pennines, as well as parts of eastern Scotland, including the Highlands and Aberdeen. Additionally, snow showers are anticipated in Belfast, Northern Ireland, and Snowdonia, Wales.
By 6 am on Wednesday, snow is projected to persist in eastern Scotland, with continued snowfall expected in the North East and extending to the Midlands, including Birmingham, Leicester, Derby, Nottingham, and Sheffield.
Later at 9 am, snow showers are predicted to move southward, affecting a large area of England from Birmingham to London. Meanwhile, eastern areas like Norwich and Ipswich may experience heavy rain. Scotland and northern England, especially around Newcastle and North Yorkshire, are likely to continue experiencing snowy conditions.
Around midday, the Scottish Highlands could see up to 20cm of snow accumulation, particularly across the Cairngorms region between Inverness and Aberdeen. Northern England may also receive a few centimeters of snow over the North Pennines and around Newcastle, Durham, and Carlisle.
In Northern Ireland, Belfast might see a light dusting of snow, while Snowdonia is also expected to encounter wintry conditions. Some light snowfall may occur in parts of southern England, including London, with minimal accumulation.
Neil Armstrong, Chief Forecaster at the Met Office, stated that the UK is under the influence of cold Arctic air from the north, resulting in the first significant cold spell of the autumn season and an early preview of winter weather. He emphasized that winter hazards, including snow and ice, are likely in the coming days, with the coldest conditions anticipated on Wednesday and Thursday. Wintry showers are expected in exposed areas facing the brisk northerly winds, particularly in Northern Ireland, southwest Wales, southwest England, northeast England, and across northern Scotland.
While not all regions will have snow accumulation, areas with frequent showers could see 2-5 cm of snow. Higher ground in Scotland might accumulate 15-20 cm, with potential accumulations of 15-25 cm over the North York Moors and Yorkshire Wolds.