UK faces increased risk of cold snap as polar vortex weakens
Detailed summary
Forecasters will monitor the polar vortex over the next few weeks to see whether the disruption could bring colder conditions to Britain.
Britons could be hit by colder temperatures later this month as a weakening polar vortex threatens to bring Arctic air.
The polar vortex is a ring of powerful winds that helps keep freezing air near the North Pole.
If it weakens, it could allow colder Arctic air to sweep south towards Britain, increasing the risk of wintry weather.
Met Office forecaster Marco Petagna said: “At the moment, we’ve got a warming taking place in the stratosphere.
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