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Disruption likely after snowfall Disruption likely after snowfall
(about 2 hours later)
Heavy snow is expected to bring delays and disruption to road users across much of Wales. Heavy snow is bringing delays and disruption to road users across much of Wales and 180 schools have closed.
The Met Office has issued an extreme weather warning for Wales as well as England and parts of eastern Scotland. Up to 15 cm (6 in) fell in some areas, with the south, west and mid Wales worst affected.
Arriva Trains Wales is advising passengers to only travel if it is absolutely necessary Arriva Trains Wales said snow was causing some small delays but there have been no cancellations or closures.
Schools across Wales are closing for a second day after Monday's snowy conditions led to more than 150 shutting for the day. Many schools across Wales are closing for a second day and gritting lorries have been out in force with hazardous conditions on many roads.
Gritting lorries have been out in force in many local authority areas ahead of the snow clouds moving in as part of an icy blast from Russia. Snow is causing problems in Sennybridge, on the Heads of the Valleys Road around Merthyr Tydfil, Builth Wells, Swansea and in Flintshire.
Up to four inches (10cm) of snow was expected to fall over the country on Tuesday, with more on higher ground.
Hazardous conditions on roads are being reported in many areas of Wales. Snow is causing problems in Sennybridge, on the Heads of the Valleys Road around Merthyr Tydfil, Builth Wells, Swansea and in Flintshire.
London and south-east England have already seen some of the highest snowfall in 18 years, leading to some 800 flights being cancelled at Heathrow Airport.
The snowfall led to accidents on roads in Powys on MondayThe snowfall led to accidents on roads in Powys on Monday
The Met Office issued a severe weather warning for Blaenau Gwent, Bridgend, Caerphilly, Cardiff, Carmarthenshire, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Pembrokeshire, Rhondda Cynon Taff, Swansea, Torfaen and Vale of Glamorgan.
It said further outbreaks of snow are expected in some areas of Wales giving accumulations of 2 to 5 cm on lower ground near coasts, but up to 10 cm inland and over higher ground.
Gwent Police reported no problems while Dyfed Powys Police said all roads were passable with care.
North Wales Police were warning drivers to take care on icy roads - but reported no problems, as did South Wales Police.
Traffic Wales, the Welsh Assembly Government's traffic and travel information service, has advised motorists to leave plenty of time for journeys and to listen to radio traffic reports to get an idea of road conditions and any incidents.Traffic Wales, the Welsh Assembly Government's traffic and travel information service, has advised motorists to leave plenty of time for journeys and to listen to radio traffic reports to get an idea of road conditions and any incidents.
A statement said: "Remember that icy roads can increase stopping distances by 85%, so keep your distance from the vehicle ahead of you and avoid sudden movements.A statement said: "Remember that icy roads can increase stopping distances by 85%, so keep your distance from the vehicle ahead of you and avoid sudden movements.
"Consider taking a winter pack on your journeys."Consider taking a winter pack on your journeys.
"We suggest a mobile phone to use in emergencies (making sure it is safe and legal to do so), warm clothes, some food and drink and even a shovel if heavy snow has been forecast.""We suggest a mobile phone to use in emergencies (making sure it is safe and legal to do so), warm clothes, some food and drink and even a shovel if heavy snow has been forecast."
Are you affected by the snow in Wales? Send us your pictures using the form below.Are you affected by the snow in Wales? Send us your pictures using the form below.
Send your pictures to newsonline.wales@bbc.co.uk, text them to 61124 or you have a large file you can upload here. Read the terms and conditions Send your pictures to newsonline.wales@bbc.co.uk, text them to 61124 or you have a large file you can upload here. Read the terms and conditions
At no time should you endanger yourself or others, take any unnecessary risks or infringe any laws.At no time should you endanger yourself or others, take any unnecessary risks or infringe any laws.