The Met Office has updated its weather warning for Wales. Previously the forecaster issued a 27-hour yellow warning for rain which covered parts of south and west Wales. However this has since been updated as a 28- hour “thunderstorm” warning which covers the entire country. It has been in place since 6pm on Saturday and is due to end at 10pm on Sunday.
Forecasters anticipate frequent lightning strikes and torrential rain in the impacted regions. A Met Office forecast said: “Scattered heavy showers and thunderstorms are expected to develop during the course of Sunday. Rainfall amounts will vary from place to place but in some locations 20-40mm is possible within a couple of hours. Heavy downpours of rain will be the primary hazard, but lightning strikes are also likely along with the potential for hail and gusty winds.”
The parts of Wales affected include: “Blaenau Gwent, Bridgend, Caerphilly, Cardiff, Carmarthenshire, Ceredigion, Conwy, Denbighshire, Flintshire, Gwynedd, Isle of Anglesey, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Pembrokeshire, Powys, Rhondda Cynon Taf, Swansea, Torfaen, Vale of Glamorgan and Wrexham.”
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The same warning will also cover parts of south west England and the west midlands.
According to the Met Office people living in these areas can expect difficult driving conditions, flooding of homes and businesses and cancellations to train and bus journeys.
Lightning strikes, hail, heavy rain and strong winds are also to be expected, with a “slight” chance of power cuts.
The Met Office has three categories of weather warning, depending on the likely impact of severe weather and also how likely it is to strike in a particular area.
A yellow warning is issued when weather conditions are expected to disrupt travel and traffic and may impact on daily routines but are not likely to pose a risk to life or property.
The warning is in place across Wales -Credit:Met Office map
An amber warning is more severe and advises people to think about changing their plans to minimise the risk.
A red warning means weather conditions are expected to be dangerous with widespread damage to property and a risk to life, with the public usually advised to avoid travelling.
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