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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
Rain
18:00
Today
UTC+1
03:00
Tomorrow

Rain becoming persistent and heavy this evening, leading to some impacts on travel and infrastructure

What to Expect

  • Bus and train services probably affected with journey times taking longer
  • Spray and flooding on roads probably making journey times longer
  • Some interruption to power supplies and other services likely

What should I do?

Further Details

After a generally cloudy day with showers, more persistent rain will push north this evening and overnight. Rain will be persistent and heavy at times, particularly so for hills, moors and headlands exposed to brisk winds. Most of the warning area will see 20-40 mm of rain, with as much as 60-70 mm possible for some areas, for example Dartmoor and Exmoor. Rain should ease from the south during the night, clearing to scattered showers by morning.


Warning impact matrix

This warning has a medium likelihood and a low impact.

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

Regions and local authorities affected:

London & South East England

  • Hampshire
  • Isle of Wight
  • Oxfordshire
  • Portsmouth
  • Reading
  • Southampton
  • West Berkshire
  • Wokingham

South West England

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

Wales

  • Blaenau Gwent
  • Bridgend
  • Caerphilly
  • Cardiff
  • Carmarthenshire
  • Ceredigion
  • Merthyr Tydfil
  • Monmouthshire
  • Neath Port Talbot
  • Newport
  • Pembrokeshire
  • Powys
  • Rhondda Cynon Taf
  • Swansea
  • Torfaen
  • Vale of Glamorgan
Yellow warning
Rain
22:00
Tomorrow
UTC+1
23:59
Wed 10

Rain becoming heavy and slow moving leading to impacts on travel and infrastructure.

What to Expect

  • There is a slight chance of power cuts and loss of other services to some homes and businesses
  • There is a small chance that homes and businesses could be flooded, causing damage to some buildings
  • Where flooding occurs, there is a slight chance of delays or cancellations to train and bus services
  • Spray and flooding could lead to difficult driving conditions and some road closures
  • There is a small chance that some communities will become cut off by flooded roads
  • There is a small chance of fast flowing or deep floodwater causing danger to life

What should I do?

Further Details

Reason for update

Correction to what to expect statements.

Areas of rain moving into northern Scotland from late Tuesday into Wednesday are expected to become heavy with some embedded showery outbreaks as the band slows down and focusses across the east coast and Moray Firth. 20-30mm through the period is expected quite widely, however localised heavier bursts of rain likely to build totals toward 50-75mm with up to 90mm possible across Grampians and Northwest Highlands. Check if your property could be at risk of flooding. If so, consider preparing a flood plan and an emergency flood kit. 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. People cope better with power cuts when they have prepared for them in advance. It’s easy to do; consider gathering torches and batteries, a mobile phone power pack and other essential items. 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.


Warning impact matrix

This warning has a very low likelihood and a medium impact.

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

Regions and local authorities affected:

Central, Tayside & Fife

  • Angus

Grampian

  • Aberdeen
  • Aberdeenshire
  • Moray

Highlands & Eilean Siar

  • Highland
Warnings are in force for:

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