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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
05:00
Today
UTC
21:00
Tomorrow

Periods of rain and heavy showers are likely to cause minor surface water flooding and disruption in places.

What should I expect?

  • Spray and flooding on roads probably making journey times longer
  • Bus and train services probably affected with journey times taking longer
  • Brief interruption to power supplies and other services is possible
  • Flooding of a few homes and businesses is possible

What should I do?

Further detail

An area of rain, heavy at times, will move northwards during Thursday morning. A brief drier and brighter spell may follow, but this likely to be short lived with heavy, slow moving showers through the afternoon, merging into longer spells of rain through the evening, overnight and through much of Friday.

Through this event, 20-30mm is likely for many places, with some higher ground areas receiving in excess of 50mm. Given the widely saturated ground conditions, some surface water flooding is probable, with difficult driving conditions from spray, flowing water or flooded roads in particular.

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.

Why is the warning yellow?

This warning has a medium likelihood and a low impact.

Very
likely
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to
Unlikely
Very low
impact
to High
impact

Last updated

Reason: Warning end time pushed back to later Friday and warning area expanded further north. Further details updated.

Regions and local authorities affected:

London & South East England

  • Hampshire
  • Isle of Wight
  • Portsmouth
  • Southampton
  • West Sussex

South West England

  • Bournemouth Christchurch and Poole
  • Cornwall
  • Devon
  • Dorset
  • Plymouth
  • Somerset
  • Torbay
  • Wiltshire

Wales

  • Blaenau Gwent
  • Caerphilly
  • Denbighshire
  • Flintshire
  • Merthyr Tydfil
  • Monmouthshire
  • Powys
  • Rhondda Cynon Taf
  • Torfaen
  • Wrexham

West Midlands

  • Herefordshire
  • Shropshire
Yellow warning
Rain
12:00
Today
UTC
23:59
Tomorrow

Heavy rain may lead to some flooding and travel disruption.

What should I expect?

  • Spray and flooding will lead to difficult driving conditions and possibly road closures
  • Bus and train services probably affected with journey times taking longer
  • Some interruption to power supplies and other services possible
  • Flooding of a few homes and businesses is possible
  • Strong winds, generating large waves and spray, may present dangerous conditions for exposed coastal communities.

What should I do?

Further detail

Areas of rain will continue to spread northwestwards across Northern Ireland during Thursday, Thursday night and much of Friday. Rain will be heavy at times and may lead to some flooding and travel disruption in places. The majority of places are most likely to see 10-20 mm of rain and low level impacts, with some southeast facing hills seeing 40-50 mm through this period.

Rain is expected to be particularly persistent over the east and southeast facing slopes of the Mourne Mountains and Antrim Hills, which may receive 60-80 mm; here low impacts are most likely overall with a small chance they could be medium.

At the same time, strong to gale forecast east to southeast winds may lead to some difficult travel conditions and large waves along Irish Sea coasts.

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.

Why is the warning yellow?

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

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

Issued

Regions and local authorities affected:

Northern Ireland

  • County Antrim
  • County Armagh
  • County Down
  • County Londonderry
  • County Tyrone
Warnings are in force for:

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