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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
12:00
Today
UTC+1
23:59
Today

Thunderstorms developing this afternoon and evening may lead to travel disruption and some flooding.

What to Expect

  • Spray and sudden flooding could lead to difficult driving conditions and some road closures
  • There is a small chance that some communities become cut off by flooded roads
  • Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services
  • There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost
  • There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds

What should I do?

Further Details

While some areas will remain remain dry, thunderstorms are likely to develop this afternoon and evening from the east and move relatively slowly westwards or northwestwards. Where thunderstorms occur, heavy rain accompanied by frequent lightning is likely with potential for 25 to 30 mm of rain to fall in 1 or 2 hours in a few places and perhaps as much as 50 mm could fall in one or two spots. In a few places there may also be some hail. 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 very low likelihood and a medium impact.

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

Regions and local authorities affected:

East Midlands

  • Derbyshire
  • Leicester
  • Leicestershire
  • Northamptonshire
  • Rutland

East of England

  • Bedford
  • Cambridgeshire
  • Central Bedfordshire
  • Essex
  • Hertfordshire
  • Luton
  • Norfolk
  • Peterborough
  • Suffolk

London & South East England

  • Buckinghamshire
  • Milton Keynes
  • Oxfordshire

North West England

  • Cheshire East
  • Cheshire West and Chester

South West England

  • Gloucestershire

Wales

  • Conwy
  • Denbighshire
  • Flintshire
  • Gwynedd
  • Monmouthshire
  • 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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