The Met Office has issued a yellow weather warning of thunderstorms for the Vale of Glamorgan on Wednesday.
It comes as an area of showers will move northwards across southwest England and south Wales on Wednesday.
Whilst many areas will see little rainfall there is the chance of some heavy and thundery downpours developing, particularly late in the afternoon.
Where these occur 30-50 mm of rain could fall in less than 3 hours though only a few spots would likely see these totals. Lightning may also be a hazard during the day.
What to expect
- There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes or perhaps hail
- Spray and sudden flooding could lead to difficult driving conditions and some road closures
- Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services
- There is a small chance that some communities become cut off by flooded roads
- There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost
The weather warning covers the Blaenau Gwent, Bridgend, Caerphilly. Cardiff, Carmarthenshire, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Pembrokeshire, Rhondda Cynon Taf, Swansea, Torfaen and Vale of Glamorgan.
Nathan is the Operations Director at Bro Radio. You can hear him on air on Vale Breakfast weekday mornings from 7am or reading local news bulletins throughout the week.
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