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What do the warning colours mean?

Red warning

  • Dangerous weather is expected and, if you have not done so already, you should take action now to keep yourself and others safe from the impact of the severe weather.
  • It is very likely that there will be a risk to life, with substantial disruption to travel, energy supplies and possibly widespread damage to property and infrastructure.

Amber warning

  • There is an increased likelihood of impacts from severe weather, which could potentially disrupt your plans.
  • This means there is the possibility of travel delays, road and rail closures, power cuts and the potential risk to life and property.

Yellow warning

  • Yellow warnings can be issued for a range of weather situations.
  • It is important to read the content of yellow warnings to determine which weather situation is being covered by the warning.

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UK weather warnings

Yellow warning
Snow & ice
12:00
Wed 8
UTC
23:59
Today

Snow showers and ice leading to further travel disruption

What should I expect?

  • Some roads and railways affected with longer journey times by road, bus and train services
  • Icy patches on some untreated roads, pavements and cycle paths
  • Some injuries from slips and falls on icy surfaces

What should I do?

Further detail

Sleet and snow showers will continue for the rest of Wednesday and Thursday, before dying out by the end of Thursday evening. Northwest Scotland and the Northern and Western Isles will see the most frequent showers on Wednesday, before extending to the Northeast on Thursday. Further accumulations of 3-7 cm are expected to low levels, with 10-15 cm possible above 150 metres. Where any modest daytime thaw has occurred, icy stretches are likely on untreated surfaces.

What should I do?

Keep yourself and your family safe when it is icy. Plan to leave the house at least five minutes earlier than normal. Not needing to rush reduces your risk of accidents, slips, and falls.

If you need to make a journey on foot, try to use pavements along main roads which are likely to be less slippery. Similarly, if cycling, try and stick to main roads which are more likely to have been treated.

Snowy, wintry weather can cause delays and make driving conditions dangerous. Keep yourself and others safe by planning your route, giving yourself extra time for your journey. Check for road closures or delays to public transport and amend plans if necessary.

Why is the warning yellow?

This warning has a high likelihood and a low impact.

Very
likely
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
to
Unlikely
Very low
impact
to High
impact

Issued

Regions and local authorities affected:

Grampian

  • Aberdeen
  • Aberdeenshire
  • Moray

Highlands & Eilean Siar

  • Na h-Eileanan Siar
  • Highland

Orkney & Shetland

  • Orkney Islands
  • Shetland Islands
Yellow warning
Ice
00:15
Today
UTC
10:30
Today

Following rain and snow, many cold wet surfaces are likely to freeze later tonight, producing icy conditions in places.

What should I expect?

  • Icy stretches on some untreated roads, pavements and cycle paths are likely to increase the chance of accidents and injuries

What should I do?

Further detail

Surfaces have been left wet and cold following Wednesday evening's rain and snow. While some surfaces may dry out before they freeze, it is likely that many untreated surfaces may become icy and hazardous overnight into Thursday morning - this will tend to happen sooner in the west, some eastern areas perhaps marginal for freezing.


What should I do?

Keep yourself and your family safe when it is icy. Plan to leave the house at least five minutes earlier than normal. Not needing to rush, reduces your risk of accidents, slips, and falls.

If you need to make a journey on foot, try to use pavements along main roads which are likely to be less slippery. Similarly, if cycling, try and stick to main roads which are more likely to have been treated.

Give yourself the best chance of avoiding delays by checking road conditions if driving, or bus and train timetables, amending your travel plans if necessary.

Be prepared for weather warnings to change: when a weather warning is issued, the Met Office recommends staying up to date with the weather forecast in your area.

Why is the warning yellow?

This warning has a high likelihood and a low impact.

Very
likely
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
to
Unlikely
Very low
impact
to High
impact

Issued

Regions and local authorities affected:

East of England

  • Central Bedfordshire
  • Essex
  • Hertfordshire
  • Luton
  • Southend-on-Sea
  • Thurrock

London & South East England

  • Bracknell Forest
  • Brighton and Hove
  • Buckinghamshire
  • East Sussex
  • Greater London
  • Hampshire
  • Isle of Wight
  • Kent
  • Medway
  • Oxfordshire
  • Portsmouth
  • Reading
  • Slough
  • Southampton
  • Surrey
  • West Berkshire
  • West Sussex
  • Windsor and Maidenhead
  • Wokingham

South West England

  • Bath and North East Somerset
  • Bournemouth Christchurch and Poole
  • Bristol
  • Cornwall
  • Devon
  • Dorset
  • Gloucestershire
  • North Somerset
  • Plymouth
  • Somerset
  • South Gloucestershire
  • Swindon
  • Torbay
  • Wiltshire

Wales

  • Caerphilly
  • Cardiff
  • Monmouthshire
  • Newport
  • Rhondda Cynon Taf
  • Torfaen
  • Vale of Glamorgan
Yellow warning
Snow & ice
16:00
Wed 8
UTC
11:00
Today

Snow and icy patches leading to some disruption to travel

What should I expect?

  • Some roads and railways likely to be affected with longer journey times by road, bus and train services
  • Probably some icy patches on some untreated roads, pavements and cycle paths
  • Some injuries from slips and falls on icy surfaces

What should I do?

Further detail

Showers of rain and sleet near coasts, and snow inland, will continue to affect the north and west of Northern Ireland this evening, overnight and into Thursday morning. As surfaces fall below freezing, this will lead to some icy stretches on untreated surfaces, while a few cm of fresh snow could affect some areas, mainly places above about 100 metres.

What should I do?

Keep yourself and your family safe when it is icy. Plan to leave the house at least five minutes earlier than normal. Not needing to rush reduces your risk of accidents, slips, and falls.

If you need to make a journey on foot, try to use pavements along main roads which are likely to be less slippery. Similarly, if cycling, try and stick to main roads which are more likely to have been treated.

Snowy, wintry weather can cause delays and make driving conditions dangerous. Keep yourself and others safe by planning your route, giving yourself extra time for your journey. Check for road closures or delays to public transport and amend plans if necessary.

If driving, make sure you have some essentials in your car in the event of any delays (e.g., warm clothing, food, water, a blanket, a torch, ice scraper/de-icer, a warning triangle, high visibility vest and an in-car phone charger).

Be prepared for weather warnings to change: when a weather warning is issued, the Met Office recommends staying up to date with the weather forecast in your area.

Why is the warning yellow?

This warning has a medium likelihood and a low impact.

Very
likely
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
to
Unlikely
Very low
impact
to High
impact

Issued

Regions and local authorities affected:

Northern Ireland

  • County Antrim
  • County Fermanagh
  • County Londonderry
  • County Tyrone
Yellow warning
Snow & ice
00:15
Today
UTC
11:00
Today

Snow and icy patches leading to some travel disruption.

What should I expect?

  • Some roads and railways likely to be affected with longer journey times by road, bus and train services
  • Probably some icy patches on some untreated roads, pavements and cycle paths
  • Some injuries from slips and falls on icy surfaces

What should I do?

Further detail

Showers, mostly of rain and sleet at low levels and near coasts, but of snow inland and over higher ground, are expected to affect the area later Wednesday night and on Thursday morning. Additionally roads are wet and cold across Cornwall following earlier rain and snow. With many surfaces falling below freezing, this will lead to some icy stretches on untreated surfaces, while a few cm of fresh snow could affect some areas, mainly places above about 100 metres.

What should I do?

Snowy, wintry weather can cause delays and make driving conditions dangerous. Keep yourself and others safe by planning your route, giving yourself extra time for your journey. Check for road closures or delays to public transport and amend plans if necessary.

If driving, make sure you have some essentials in your car in the event of any delays (e.g., warm clothing, food, water, a blanket, a torch, ice scraper/de-icer, a warning triangle, high visibility vest and an in-car phone charger).

Be prepared for weather warnings to change quickly: when a weather warning is issued, the Met Office recommends staying up to date with the weather forecast in your area.

Why is the warning yellow?

This warning has a medium likelihood and a low impact.

Very
likely
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
to
Unlikely
Very low
impact
to High
impact

Last updated

Reason: Start time brought forward to cater for ice forming earlier across parts of Cornwall, following rain and snow on Wednesday afternoon and evening.

Regions and local authorities affected:

North West England

  • Cheshire East
  • Cheshire West and Chester
  • Greater Manchester
  • Halton
  • Lancashire
  • Merseyside
  • Warrington

South West England

  • Cornwall

Wales

  • Carmarthenshire
  • Ceredigion
  • Conwy
  • Denbighshire
  • Flintshire
  • Gwynedd
  • Isle of Anglesey
  • Pembrokeshire
  • Powys
  • Swansea
  • Wrexham
Warnings are in force for:

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