Britain woke up to crippling chaos today as a thick layer of snow fell across the whole country, from Aberdeen to London, for more than 12 hours, marking England’s heaviest snowfall so far during this winter. The southern part of the country, often undisturbed by weather chaos, is currently hit by two warnings issued by the Met Office. The amber warning covered the areas surrounding Oxford, Reading, Woking and Basingstoke. It came into force at 4.20am this morning and will last until 11am. Related articles M25 traffic latest: Heavy snow sparks rush hour congestion chaos Flights: Heathrow Airport CANCELS flights due to snow The Met office warned people should expect “travel delays on roads are likely, stranding some vehicles and passengers”. It adds: “Some delays and cancellations to rail are likely, and perhaps air travel. “There is a good chance that some rural communities could become cut off. “Power cuts are likely and other services, such as mobile phone coverage, may be affected.” READ MORE: UK SNOW CHAOS: Airport chaos and road turmoil as temperatures PLUMMET to -15C overnight UK SNOW: The Met Office issued three weather warnings (Image: MET OFFICE/SWNS) The rest of southern Britain is hit by a yellow warning for snow and ice. The Met Office said: “Snow and ice will bring disruption to parts of England and Wales from Thursday afternoon through into Friday.” The alert, which came into force yesterday at 1pm, will remain in place until today at 1pm, and consists in: “Possible travel delays on roads stranding some vehicles and passengers. “Possible delays or cancellations to rail and air travel. “Some rural communities could become cut off. Related articles Snow SHUTS schools across UK - Is YOUR child's school closed? Snow UK pictures: Britain SUBMERGED under snow – latest weather maps UK SNOW: The areas affected by the Met Office's amber warning (Image: MET OFFICE) UK SNOW: A motorist clearing his car from the snow following the coldest night in seven years (Image: PA) “Power cuts may occur and other services, such as mobile phone coverage, may be affected. “A chance of injuries from slips and falls on icy surfaces. “Untreated pavements and cycle paths might be impassable because of black ice.” Another yellow warning announcing possible “travel disruption” and danger of “injuries” came into force yesterday at 6pm and will last until noon today. It interests the north-eastern part of Scotland and England. UK SNOW: The south has been hit by a yellow warning for snow and ice (Image: MET OFFICE) The Met Office said: “Some roads and railways likely to be affected with longer journey times by road, bus and train services. “Some injuries from slips and falls on icy surfaces. “Probably some ice on some untreated roads, pavements and cycle paths.” Overnight temperatures fell to a record-low of -15.4C in the Aberdeenshire village of Braemar, marking the coldest night since the -15.6C seen on February 11 2012 at Holbeach, Lincolnshire. Persistent and heavy snow is expected to keep falling during the rest of the morning in south east England. All rights reserved for this news site express.co.uk and under his responsibility