The Meteorological Service has updated its yellow weather warning for thunderstorms in Wales and changed the list of places it believes will be affected by the storms. The weather warning issued by the Meteorological Service on Wednesday is still a “yellow” warning – meaning people likely to be affected should take precautionary action, but expected weather conditions are “unlikely” to pose an immediate risk to the general population – but the area covered by the weather warning has been expanded in some areas and reduced in others.
Thunderstorms are forecast for Wales and England from 10 a.m. today to 11:59 p.m. tonight. In Wales, the weather warning previously covered Blaenau Gwent, Bridgend, Caerphilly, Cardiff, Denbighshire, Flintshire, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Powys, Rhondda Cynon Taf, Torfaen, Vale of Glamorgan and Wrex. covers only Ceredigion, Conwy, Denbighshire, Flintshire, Gwynedd, Monmouthshire, Powys and Wrexham.
That means the Met Office no longer believes thunderstorms will hit Blaenau Gwent, Bridgend, Caerphilly, Cardiff, Merthyr Tydfil, Neath Port Talbort, Newport, Rhondda Cynon Taf, Torfaen or the Glamorgan Valley – but it could affect Ceredigion, Conwy and Gwynedd, all of whom had not previously been covered by the yellow weather warning. Denbishre, Flintshire, Monmouthshire, Powys and Wrexham were listed in the initial thunderstorm warning and remain covered by it.
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The latest Met Office update on thunderstorms says: “Thunderstorms and torrential rains can cause travel disruptions and floods in several places. Update the warning to expand the warning zone to the west and north and reduce the warning from the far east and south-east of England. “
He continued: “Thunderstorms are likely to break out in some areas, especially in the afternoon and early evening. Although most places are likely to miss them where there are thunderstorms, there are likely to be up to 40mm of rain in several places. fall in about an hour and 40 to 60 mm can fall in two or three hours.
“These torrential rains can be accompanied by frequent lightning, while gusty winds and hail can also affect several places. The exact location of the thunderstorms will be difficult to determine, so the warning area will be reviewed and updated if necessary. “
The update comes when the Met Office explains when the hot weather we’ve been in Wales is likely to end. In their long-term forecast, meteorologists explain that Monday, June 27, is likely to bring “heavy rains” that spread to the east of the UK throughout the day. While parts of England and Wales will have sunny periods and rain, there is potential for some longer periods of rain next week.
The latest forecast, covering Monday, June 27 to Wednesday, July 6, reads: “Monday is likely to bring locally heavy rainfall, which will spread to the east throughout the day. They will be strongest and most common in the west, with the greatest chance of dry and bright weather in the east. The wind remains moderate for most, perhaps strong in coastal areas. In the middle of next week, many will see sunny periods and precipitation, most often in the north and northwest, with the potential for some longer periods of rain.
“Further in the period, the north is expected to continue to be troubled by rainfall and longer periods of rain. While the south is more likely to be drier weather with only occasional rainfall. Despite a slightly cooler start, temperatures are returning to near normal for the second half of the period. “
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Regions and local authorities affected by yellow weather warning for thunderstorms
Met Office updates its yellow thunderstorm weather warning for Wales and England (Image: Met Office / screengrab)
In the Met Office’s “warning impact matrix”, today’s thunderstorm is highlighted in yellow (to represent the yellow weather warning), but is categorized as “unlikely” to have a “strong impact”.
In addition to the Welsh areas, many areas in the East of England, the East Midlands, London and the South East of England, the North West of England, the South West of England and the West Midlands are also covered by the weather warning. Here is the full list of areas that are likely to be affected by thunderstorms:
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, Tarok
London and South East England: Bracknell Forest, Buckinghamshire, East Sussex, Greater London, Hampshire, Isle of Wight, Kent, Medway, Milton Keynes, Oxfordshire, Portsmouth, Reading, Slough, Southampton, Westhareson, Westhareson, Surrey, Surrey, Surrey Wokingham
North West England: Blackburn with Darwen, Blackpool, Cheshire East, Cheshire West and Chester, Greater Manchester, Halton, Lancashire, Merseyside, Warrington
South West England: Bath and North East Somerset, Bournemouth Christchurch and Poole, Bristol, Dorset, Gloucestershire, North Somerset, Somerset, South Gloucestershire, Swindon, Wiltshire
Wales: Ceredigion, Conwy, Denbighshire, Flintshire, Gwynedd, Monmouthshire, Powys, Wrexham
West Midlands: Herefordshire, Shropshire, Staffordshire, Stoke-on-Trent, Telford and Wrekin, Warwickshire, West Midlands Conurbation, Worcester
Yellow weather warning for thunderstorms – what the Meteorological Services advise
The yellow weather warning is in force for large parts of Wales and England from 10:00 to 23:59 on Thursday, June 23. The meteorological services say that people should be prepared and beware of the following:
- There is little chance that homes and businesses will be flooded quickly, with damage to some buildings from floods, lightning, hail or strong winds.
- There is a small chance that fast-flowing or deep flooded water is life-threatening
- When floods or lightning strikes occur, there are likely to be delays and some cancellations of train and bus services.
- Splashes and flash floods can lead to difficult driving conditions and some road closures
- Power outages and other services for some homes and businesses are unlikely to be lost
- There is little chance that some communities will be cut off from flooded roads
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