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UK weather warnings

There are 2 warnings in effect.

Warning overview for UK

Amber weather warning
Amber - Thunderstorm
East of England, London & South East England
Yellow weather warning
Yellow - Rain
East Midlands, East of England, London & South East England, South West England, West Midlands, Yorkshire & Humber

Warning details for UK

amber warning, thunderstorm from Today (UTC+1) to Today (UTC+1)

Regions and local authorities affected:

East of England
  • Cambridgeshire
  • Essex
  • Hertfordshire
  • Norfolk
  • Southend-on-Sea
  • Suffolk
  • Thurrock
London & South East England
  • Brighton and Hove
  • East Sussex
  • Greater London
  • Kent
  • Medway
  • Surrey
  • West Sussex

Headline

An area of thunderstorms and heavy rain may bring travel disruption.

What to expect

  • Spray and sudden flooding probably leading to difficult driving conditions and some road closures
  • Where flooding or lightning strikes occur, delays and some cancellations to train and bus services are likely
  • Power cuts likely to occur and other services to some homes and businesses could be lost
  • Flooding of homes and businesses is likely and could happen quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds

Further details

An area of thunderstorms across northern France is expected to move across parts of southeast England during this evening's main travel period. The main hazard is likely to be heavy rain with 30-40mm likely in 1-2 hours which may lead to flash flooding. Lightning, hail and gusty winds are also expected which may cause power cuts and travel disruption.


Warning impact matrix

This warning has a medium likelihood and a medium impact.

yellow warning, rain from Today (UTC+1) to Today (UTC+1)

Regions and local authorities affected:

East Midlands
  • Derby
  • Derbyshire
  • Leicester
  • Leicestershire
  • Lincolnshire
  • Northamptonshire
  • Nottingham
  • Nottinghamshire
  • Rutland
East of England
  • Bedford
  • Cambridgeshire
  • Central Bedfordshire
  • Essex
  • Hertfordshire
  • Luton
  • Norfolk
  • Peterborough
  • Southend-on-Sea
  • Suffolk
  • Thurrock
London & South East England
  • Bracknell Forest
  • Brighton and Hove
  • Buckinghamshire
  • East Sussex
  • Greater London
  • Hampshire
  • Isle of Wight
  • Kent
  • Medway
  • Milton Keynes
  • Oxfordshire
  • Portsmouth
  • Reading
  • Slough
  • Southampton
  • Surrey
  • West Berkshire
  • West Sussex
  • Windsor and Maidenhead
  • Wokingham
South West England
  • Bournemouth
  • Dorset
  • Gloucestershire
  • Poole
  • Swindon
  • Wiltshire
West Midlands
  • Warwickshire
  • West Midlands Conurbation
Yorkshire & Humber
  • North East Lincolnshire
  • North Lincolnshire
  • South Yorkshire

Headline

Heavy rain may lead to some flooding and disruption.

What to expect

  • There is a small chance that homes and businesses could be flooded, causing damage to some buildings
  • There is a small chance of fast flowing or deep floodwater causing danger to life
  • 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 become cut off by flooded roads
  • There is a slight chance of power cuts and loss of other services to some homes and businesses

Reason for update

Warning area moved east to to represent where heaviest rainfall is now expected.

Further details

Rain is expected to move northwards across parts of central, southern and eastern England on Monday. This will be heavy at times, especially during the afternoon and evening. 15 to 25 mm is likely to fall quite widely, and there is potential for 40 to 60 mm to fall in a few places. This brings a risk of flooding and disruption, though many places will miss the worst of the rain. The rain is expected to clear away northeastwards during Monday evening and night.


Warning impact matrix

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

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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.