The Met Office has given its verdict on a "Beast from the East" forecast to hit the UK.
Forecasters say a sudden stratospheric warming (SSW), which could lead to widespread snow, is underway but any impact will not be felt until the first week of March. An SSW is when a rapid warming occurs high up in the stratosphere, the second layer of the atmosphere immediately above the troposphere.
Met office forecaster Aidan McGivern said: "The winds in the stratosphere surrounding the North Pole are expected to reverse, instead of going from west to east they are going to go from east to west", which can essentially lead to higher pressure and therefore colder conditions.
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Mr McGivern added: "Not immediately, though, although this is taking place right now, there is a lag effect so we are not expecting an impact if any to take place until the first week of March."
So while there will be a high pressure at the start of March there is no indication yet that it will be particularly cold, the MEN reports.
Mild weather is expected to continue through the coming days before the mercury drops quite suddenly part way through next week with widespread sub-zero temperatures. There have been temperatures this week in the high teens thanks to a high pressure but colder weather is now around the corner.
In Liverpool, we can expect things to stay pretty mild over the next few days, with highs of 12C and lows of 7C. The Met Office said Saturday should be "mostly dry" with a "few bright spells", while Sunday and Monday look "generally cloudy with patchy rain".
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