An "Arctic air surge" is set to take hold of the UK this month with temperatures reaching dangerous levels as low as -10C.
The freezing weather could be coupled with heavy snow which is forecasted to cover large parts of the country.
UK residents have been warned that a major Sudden Stratospheric Warming (SSW) event has been forecasted and is now taking place and could occur as soon as the middle of February.
READ MORE:UK snow maps show '1,000km Beast from the East 2' coming as Met Office issue warning
The Met Office said: "A major SSW often makes the jet stream meander more, which can lead to a large area of blocking high pressure over northern Europe, including the UK.
"This blocking high pressure can lead to cold, dry weather in the north of Europe, including the UK, with mild, wet and windy conditions more likely for southern areas of the continent."
Weather maps from WXCHARTS illustrate that dumps of snow is to sweep into Scotland on February 20.
That's just the start as the snowfall is expected to continue in the coming days with the weather map showing 16cm of snow expected to fall.
Charts from Netweather show that on February 21, temperatures could potentially fall as low as -5C in one region of Scotland and -10C the following day.
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AccuWeather Meteorologist Joseph Bauer said the possibility of a Sudden Stratospheric Warming (SSW) event happening is "definitely on the table".
He said: "It takes time for changes linked to an SSW to trickle into the troposphere, usually around two weeks.
"It's too early to pin down exact numbers and locations but historically, we've seen sudden warming events push Arctic air across Europe for an extended window of time."
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