The alert – meaning damage and travel disruption may be expected – comes in from 15:00 GMT.
Parts of the UK are expected to be battered by heavy winds when Storm Arwen arrives later.
The Met Office has issued a warning of winds of 65 to 75mph – particularly in coastal areas – from 15:00 GMT, which is likely to cause travel disruption.
Flying debris is “likely” and there is a “good chance power cuts may occur”, a spokesman said.
The amber warning, covering parts of north-east England and Scotland, runs to 09:00 on Saturday.
A number of outdoor events, including the Whitby Christmas Festival and the outdoor elements of Hartlepool’s Wintertide Festival, have been cancelled.
The Met Office said: “Gusts of 65 to 75mph are expected in coastal areas with gusts in excess of 75mph in a places.”
BBC meteorologist Carol Kirkwood warned the storm, which is moving south, could bring cold, severe gales and spells of rain, sleet and snow with temperatures feeling like -3C on Saturday.
Storm Arwen is the first named storm of the year.
An amber wind warning means:
- Flying debris is likely and could lead to injuries or danger to life.
- Probable damage to trees, temporary structures and buildings, such as tiles blown from roofs.
- Longer journey times and cancellations likely, as road, rail, air and ferry services may be affected.
- Some roads and bridges are likely to close.
- There is a good chance power cuts may occur, with the potential to affect other services, such as mobile phone coverage.
- Injuries and danger to life are likely from large waves and beach material being thrown on to coastal roads, seafronts and properties.
There is also a yellow warning – one down from an amber, meaning some disruption is likely – for Northern Ireland, Wales and south-west England.
You can find further forecasts here.
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