Virtually a month’s value of rain might fall in lower than 24 hours in south-western components of the UK because the Met Workplace points a thunderstorm warning.
The yellow warning covers south and components of mid Wales and south-west England from 07:00 BST till 18:00 on Sunday.
The forecaster warned of a “small probability” lives could possibly be put in danger.
The warning covers serval main cities together with Swansea, Cardiff, Bristol and Plymouth.
Sixteen of Wales’ 22 native authorities are lined by the warning.
Houses and companies is also at risk of flooding rapidly in “torrential downpours”, the Met Workplace stated, with as much as 70mm (2.8in) doable in some spots.
Buildings is also broken by lightning, hail or sturdy winds in addition to floodwater.
The forecaster added there was a “small probability” of energy cuts or that different companies to properties and companies could possibly be misplaced whereas some communities is also lower off by floodwater.
Folks planning on travelling face the prospect of delays or sudden cancellations to trains and buses.
Roads could also be closed at quick discover as a consequence of spray and sudden floods and “tough driving situations” are anticipated on people who stay open.
Met Workplace meteorologist Rachel Ayers stated the area had already seen some rain fall however it was anticipated to worsen later this weekend.
She added: “The heaviest and most persistent rain might be tomorrow morning, bringing a threat of some potential flooding in properties and companies.”
Ms Ayers urged drivers to consider their stopping distances if they should journey on a motorway and to take a look at the Met Workplace and RAC web sites for updates earlier than setting off.
She stated the area’s climate would “stay unsettled” early subsequent week, bringing “very changeable and autumnal” situations.
