Around half a month's rainfall might washout the United Kingdom in simply six hours, the Met Office has forecast.

The forecaster predicts a "few homes and businesses" could possibly be flooded as 30mm to 40mm of rain will fall in simply six hours. In a typical August, 63mm of rain falls throughout the south-east of England in the whole month.

Buildings and buildings could possibly be broken by flooding and lightning strikes whereas houses might additionally lose energy “for a short time”. There can be “a good chance” drivers in affected areas could possibly be delayed by spray and standing water, and rail passengers might face longer journeys.

Holidaymakers starting their summer season getaway are suggested to verify the Met Office app and social media channels for updates and brace themselves for longer journey instances. A yellow climate warning for thunderstorms has been issued by the Met Office for big components of the South and the West Midlands between 6am and noon on Friday.

The space affected covers London in addition to the entire of the South East and the Solent space, stretching to Birmingham at its northernmost edge. A yellow warning for wind is in place throughout coastal areas of north and mid-Wales between midnight and 6pm on Friday – and gusts might attain as much as 60mph.

The Met Office mentioned timber might fall down main to coach cancellations and sure delays. Marquees and tents that could be utilized by campers in Snowdonia might additionally fall down within the gusts whereas caravans and lorries might battle on some roads.

Homes might additionally lose energy for a short while in affected areas, the forecaster warned. Met Office meteorologist Rachel Ayers mentioned showers will start to fall within the south-west of England and south Wales earlier than rising in depth as they transfer eastwards.

Heavy showers might hit areas unaffected by the climate warnings however they aren't more likely to put individuals in any hazard.

She mentioned: “Given it is summer holidays, people are more likely to be wanting to be outside and travelling for holidays. There is a chance we could see driving conditions affected, leading to longer journey times.

“Take the advice from our partners such as the RAC with regards to driving in heavy rain if you do make that journey.”

She mentioned circumstances ought to brighten up throughout a lot of the UK on Saturday – with sunshine and showers probably amid “blustery” circumstances. Heavy rain on Saturday is more likely to be confined to the north-east of Scotland, she added.