Motorists in northern England have been put on notice and train services cancelled after severe weather warnings were issued across the UK.
The Met Office issued three yellow weather alerts for snow and ice covering the Midlands, northern England, north-east Wales and sections of Northern Ireland.
National Rail said the cold climate would affect various routes on the Northern Rail network until at least 2pm on Tuesday.
Affected areas included the Bradford Interchange and Huddersfield line, and also between Halifax and Hebden Bridge and Hull.
Merseyrail said the first service on each line in north-west England would run without passengers so that the tracks could be checked for snow and ice.
Travellers were advised to check their local rail app or social media and plan their journeys ahead.
Dan Suri, the chief meteorologist at the Met Office, said: “An area of low pressure slides its way eastwards on Monday night. The associated frontal system, marking the boundary between cold air in the north and milder conditions to the south, will bring disruptive snow to some areas between Monday evening and Tuesday morning.
“This is likely to coincide with rush-hour, leading to disruption to some transport routes across a central swathe of the UK on Tuesday morning. It will also be windy in the far south.”
Motorists were also put on high alert, with National Highways issuing an amber severe snow alert for roads across the north-east and north-west of the country. Road users were advised to take extra care and avoid the area if possible.
Affected roads included the M26 between junctions 21 and 23, the M1 at Leeds and Sheffield, and the M56 at Manchester.
It comes after the UK Health Security Agency (UKHSA) issued the first amber cold weather health alert of the season this week.
The amber warning covers the east and north of England, the Midlands, and Yorkshire and the Humber, with yellow alerts coming into place for the south-east, south-west and London at 8am on Tuesday, lasting until 6pm on Saturday.
The charity Age UK warned that the conditions could be dangerous for vulnerable people, including elderly people.
Dr Agostinho Sousa, from the UKHSA, said: “This is the first amber cold weather health alert of the season, but we can expect more as we approach winter, and it is vital to check in on vulnerable friends, family and neighbours to ensure they are well prepared for the onset of cold weather. Particularly if they are elderly or otherwise at increased risk.”
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The Age UK director, Caroline Abrahams, said the charity was worried that the loss of the winter fuel payment had caused many older people to be “extra fearful” about turning on their heating this winter.
“With high energy bills and food prices it is understandable that some may think they have to cut back on food and turn their heating off, but prolonged exposure to cold temperatures can have a serious impact on an older person’s health, especially if they are already trying to manage existing illnesses,” she said.
Abrahams said it was “vital” that older people stayed “fit, warm and well if they can” by having hot food and drinks throughout the day, wrapping up warm and sleeping with the windows closed.
A yellow snow and ice warning is in place until 10am on Tuesday covering Northern Ireland.
Another yellow alert is in place until 10am on Wednesday, covering areas in Scotland, and a third lasts until 11am on Tuesday covering areas in the East Midlands, Yorkshire and the north of England.
Within affected areas, there is a chance of power cuts, disruption to road and public transport and the risk of injury from slipping on ice.
