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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
06:00
Tomorrow
UTC
08:00
Thu 19
Spells of heavy rain could lead to some flooding and disruption to travel during Wednesday and Thursday.
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
- Flooding of a few homes and businesses is possible
- Some interruption to power supplies and other services possible
What should I do?
Further detail
Spells of rain, some heavy, will affect southern parts of England during Wednesday and overnight into Thursday, whilst some snow is also likely over higher ground, chiefly during Wednesday night.
10-20 mm of rain is expected quite widely with a few places near the south coast seeing 20-30 mm and perhaps as much as 50 mm over Dartmoor.
Strong east to northeasterly winds will accompany the rain and/or snow, which could exacerbate impacts in places. Large waves could affect some east-facing coasts, especially along the English Channel.
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.
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Issued
Regions and local authorities affected:
London & South East England
South West England
Yellow warning
Snow
16:00
Tomorrow
UTC
06:00
Thu 19
A period of snow could bring some disruption to parts of Wales and central England later Wednesday and overnight into Thursday.
What should I expect?
- There is a small chance of travel delays on roads with some stranded vehicles and passengers, along with delayed or cancelled rail and air travel
- There is a slight chance that some rural communities could become cut off
- There is a small chance that power cuts will occur and other services, such as mobile phone coverage, may be affected
What should I do?
Further detail
Whilst there is some uncertainty in the details, there is the potential for an area of rain and snow to affect parts of Wales and central England later on Wednesday and overnight into Thursday.
2-5 cm of snow could accumulate quite widely above 150-200 metres, with perhaps as much as 10-15 cm above 250-300 metres in mid and southeast Wales, as well as Herefordshire and Shropshire. Some small accumulations of snow, typically less than 2 cm, are possible to lower elevations, especially from later Wednesday evening into the early hours of Thursday morning.
Strong east to northeasterly winds will accompany the wet weather, which could exacerbate impacts in places.
What Should I Do?
Snowy, wintry weather can cause delays and make driving conditions dangerous, so to keep yourself and others safe: plan your route, checking for delays and road closures, amending your travel plans if necessary; if driving, leave more time to prepare and check your car before setting off; make sure you have essentials packed in your car in the event of any delays (warm clothing, food, water, a blanket, a torch, ice scraper/de-icer, a warning triangle, high visibility vest and an in-car phone charger).
People cope better when they have prepared in advance for the risk of power cuts or being cut off from services and amenities due to the snow. 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.
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Issued
Regions and local authorities affected:
London & South East England
South West England
Wales
West Midlands
Warnings are in force for:
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