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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
17:00
Thu 27
UTC+1
08:00
Today
Thunderstorms may bring impacts from flooding, lightning or hail overnight.
What should I expect?
- Flooding of homes and businesses could happen quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds
- Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services
- Spray and sudden flooding could lead to difficult driving conditions and some road closures
- Power cuts might occur and other services to some homes and businesses could be lost
What should I do?
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.
Further detail
An area of heavy, thundery rain is expected to become slow moving across parts of eastern England through the early hours of Friday morning before clearing away eastwards in the North Sea after dawn. Some places in the warning area could see frequent lightning, hail and gusty winds in addition to heavy rain. Some places may receive 30-40 mm of rain in a short period, with a chance of 50-60 mm in 3-4 hours in a few places.
Why is the warning yellow?
This warning has a low likelihood and a medium impact.
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Last updated
Reason: Warning area updated to reflect areas most at risk through the rest of the night. Warning text updated. Warning likelihood increased to reflect increased confidence with 'what to expect' and 'what should I do' statements updated to reflect this change.
Regions and local authorities affected:
East Midlands
East of England
Yorkshire & Humber
Yellow warning
Thunderstorm
20:27
Thu 27
UTC+1
06:00
Today
Heavy rain and thunderstorms may lead to some disruption.
What should I expect?
- Some flooding of a few homes and businesses possible, leading to some damage to buildings or structures
- 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
- Some short-term loss of power and other services is possible
- Possible some damage to a few buildings and structures from lightning strikes
- Delays to train services are possible
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.
Further detail
Heavy rain and thunderstorms will move over eastern Northern Ireland during the evening and overnight with a chance of some hail. Heavy rain may lead to some surface water flooding in prone areas. 20-30 mm of rain in 3-6 hours is possible.
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:
Northern Ireland
Warnings are in force for:
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