UK weather: Snow could hit in just 3 weeks as White Halloween brings worst storm in 13 YEARS as 'polar vortex collapses'
BRITAIN'S worst storm in 13 years could dump snow across the country by the end of the month.
A freezing polar vortex could blast in within weeks – bringing with it a 'white Halloween' for some.
Parts of Wales and Scotland could be blanketed by 6am on October 24.
But even southern coastlines could get a dusting in a "rare" forecast last seen in 2008.
Former BBC weatherman and meteorologist for Weathertrending John Hammond said our unusually warm autumn will come to a chilly end soon.
“These high-altitude winds normally intensify as we head towards winter," he said.
"An unusual weakening of the polar vortex may well have impacts on our weather later through autumn and into early winter.
“'Sudden stratospheric warming' events can sometimes lead the polar vortex to go into reverse, which can have dramatic impacts on winter weather and increase the chances of severe cold."
However, he reassured Brits that there's no immediate signs of a winter white-out yet.
“The last time that lowland southern Britain saw significant snowfall as early as October was in 2008 – a measure of how rare it is," he said.
Over the weekend, the Met Office warned that higher parts of the UK are likely to see some snowfall towards the end of this month.
Forecasters said a "colder period" is starting soon, with snow likely to blanket the Scottish mountains and higher ground in England and Wales.
Senior meteorologist Greg Dewhurst said: “We’re likely to see some snowy weather in higher parts as October moves into November.
"Likely areas to be affected are the Scottish mountains as well as higher ground in northern England and northern Wales.
"Low areas are unlikely to see any.
"It’s quite normal for this time of year.”
Meanwhile, his colleague Aidan McGivern urged Brits to make the most of the balmy temperatures this week.
He said high pressure is "firmly in control" – meaning "many places will have a fine week of weather".
"By the weekend, this low pressure is getting closer though, so it might not last," he said.
"It's a fine start to the weekend before some rain later Saturday and into Sunday."
'MAKE THE MOST OF IT'
Bookies believe this month could be the hottest October on record.
Jessica O'Reilly of Ladbrokes said: "The balmy temperatures and sunshine have seen the odds cut that this month is officially chalked up as a record breaker."
But they're also slashing the odds on wagers that snow will fall in a major UK city by the end of the month.
"We better make the most of any balmy temperatures because the end of October looks set to be a big freeze, so much so that we make it odds on for snow to fall this month in the UK," said Coral's Harry Aitkenhead.
"We make it a 2-1 chance that this winter goes into the record books as the coldest the UK has ever had."
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