As temperatures in London plummet and snowfall is forecast, here's some useful advice from BBC London's Travel and Weather teams.

Heavy snow has begun to fall in parts of London causing dangerous conditions on the roads.

Listen live to BBC London 94.9's rolling travel service telling you what's going on around the capital throughtout the morning.

Just click on the link above.

BBC London's weather presenter Peter Cockroft believes parts of London could see between 5 and 10cm of snow on Friday during the morning which could cause problems on the capital's roads and transport network.

He said: "The snow that falls on Thursday night and Friday will settle.

"Ice and icy winds are likely to cause problems as well. It's time to 'wrap up very warm'."

To avoid the spectacle of London buses trapped in their depots, as we saw in February, Transport for London organised for bus garage access roads and depots to be gritted from Wednesday night in anticipation.

Send us your snow photos

If you have snow in your area we'd love to see it - email us your pictures or videos to BBC London by using the address below:

yourlondon@bbc.co.uk

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School closures

Weather in the UK comes mostly from the Atlantic, bringing relatively warm, moist air.

This week the air has been coming from the east, where it has been sitting over very cold, dry land in continental Europe.

As the cold, dry air from Russia travels over the relatively warm waters of the North Sea it will pick up some moisture, which will then condense as it hits the cold land of the UK.

This will mean heavier snow showers overnight Thursday and Friday. Daytime temperatures will not rise much above freezing.

Live Updates

• Keep up to date with how the trains are running on Friday using this weblink to our live train information.
• Get live information on how the Tube network is running throughout Friday.
• Click here for the latest on how the roads are running in your part of London.

Listen live to BBC London 94.9 for regular weather and travel updates

Many London schools break up for the Christmas holidays on Friday.

Below we list links to all London's local councils so you can keep up to date with what is happening in your area in case of any closures.

Barking & Dagenham

Barnet

Bexley

Brent

Bromley

Camden

City of London

Croydon

Ealing

Enfield

Greenwich

Hackney

Hammersmith & Fulham

Haringey

Harrow

Havering

Hillingdon

Hounslow

Islington

Kensington & Chelsea

Kingston upon Thames

Lambeth

Lewisham

Merton

Newham

Redbridge

Richmond

Southwark

Sutton

Tower Hamlets

Waltham Forest

Wandsworth

Westminster