New Weather Alert Issued as Flooding Risk Increases

For Wednesday, this warning will remain in effect until 23:59 GMT, and South and Central Wales are expected to be most affected by the rain.

According to the Met Office, Friday's warning will remain in effect from 06:00 GMT until 06:00 GMT Saturday, affecting parts of North, Central, and South Wales.

This torrential rain comes just days after flooding in Carmarthen, which one businessman described as "the worst he has ever seen."

The Meteorological Department has warned that splashes and surface water may make travel difficult.

The Meteorological Department has predicted that 40-50 mm of rain may fall in the higher reaches of the country, with 20-30 mm of rain expected on Wednesday.

These are the areas affected by Wednesday's weather warning are:

• Blaenau Gwent
• Bridgend
• Caerphilly
• Cardiff
• Carmarthenshire
• Merthyr Tydfil
• Monmouthshire
• Neath Port Talbot
• Newport
• Powys
• Rhondda Cynon Taf
• Swansea
• Torfaen
• Vale of Glamorgan

The weather service said heavy and prolonged rain from Friday until Saturday morning could cause flooding and disruption.

It said that accumulations of 30-50mm are expected "quite widely, with some places receiving 60-80 mm, and potentially in excess of 100mm over east-facing hills in southeast Wales".

"This, following recent wet weather, could lead to some surface water and river flooding impacts," it added.

"Although some uncertainty exists in the areas of heaviest rainfall, impacts appear more probable across southeast Wales."

The areas covered by Friday's weather warning are:

• Blaenau Gwent
• Bridgend
• Caerphilly
• Cardiff
• Carmarthenshire
• Conwy
• Denbighshire
• Flintshire
• Gwynedd
• Merthyr Tydfil
• Monmouthshire
• Neath Port Talbot
• Newport
• Powys
• Rhondda Cynon Taf
• Swansea
• Torfaen
• Vale of Glamorgan
• Wrexham 

Details of the yellow weather warning and a map of the affected areas can be found on the Met Office website.