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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
Thunderstorm
12:59
Today
UTC+1
20:00
Today

Scattered thunderstorms are likely to develop across the area, bringing some localised disruption

What to Expect

  • There is a good chance driving conditions will be affected by spray, standing water and/or hail, leading to longer journey times by car and bus
  • Probably some damage to a few buildings and structures from lightning strikes
  • Delays to train services are possible
  • Some flooding of a few homes and businesses likely, leading to some damage to buildings or structures
  • Some short term loss of power and other services is likely

What should I do?

Further Details

Some heavy showers and thunderstorms are likely this afternoon, lasting into this evening. Locally, 15-20 mm of rain could fall in less than an hour, with some places potentially seeing up to 30 mm in a few hours. Lightning will be an additional hazard, with a lower chance of some hail in places. Showers and thunderstorms will die out this evening. What should I do? Consider if your location is at risk of flash 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. If you find yourself outside and hear thunder, protect yourself by finding a safe enclosed shelter (such as a car). Do not shelter under or near trees, or other structures which may be struck by lightning. If you are on an elevated area move to lower ground. 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 medium likelihood and a low impact.

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

Regions and local authorities affected:

South West England

  • Bath and North East Somerset
  • Bristol
  • Cornwall
  • Devon
  • Dorset
  • North Somerset
  • Plymouth
  • Somerset
  • South Gloucestershire
  • Torbay
  • Wiltshire
Yellow warning
Rain
13:00
Today
UTC+1
23:00
Today

Heavy rain may produce some flooding and transport disruption.

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

An area of heavy rain is expected to move west across parts of England and then into Wales during today. There remains some uncertainty as to how far north or south this band of rain will be, but there is a small chance that it will become slow-moving over parts of the West Midlands and northwest England, as well as into Wales later this afternoon and early evening. Should this happen then some places could see 40-60 mm of rain falling in 3-6 hours.. What should I do? 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:

North West England

  • Cheshire East
  • Cheshire West and Chester
  • Halton
  • Merseyside
  • Warrington

Wales

  • Carmarthenshire
  • Ceredigion
  • Conwy
  • Denbighshire
  • Flintshire
  • Gwynedd
  • Isle of Anglesey
  • Powys
  • Wrexham

West Midlands

  • Herefordshire
  • Shropshire
  • Staffordshire
  • Stoke-on-Trent
  • Telford and Wrekin
  • Warwickshire
  • West Midlands Conurbation
  • Worcestershire
Warnings are in force for:

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