A jet stream of icy air from a deadly deep freeze in parts of the US is now blasting towards Britain.
The Met Office shared footage of the jet stream path as it carried the cold air across the Atlantic ocean, predicting it could lead to "unsettled conditions" over the New Year Weekend.
In a weather tweet, it said: "This is partly related to the cold air that has been spreading across North America, helping to strengthen the jet stream and push low-pressure systems across the Atlantic."