Headline: Thunderstorms are possible, mainly Saturday evening and overnight into Sunday morning.
What To Expect: Some flooding of a few homes and businesses likely.
Possibly some damage to a few buildings and structures from lightning strikes with some short term loss of power and other services.
There is a chance driving conditions will be affected by spray, standing water and/or hail, leading to longer journey times by car and bus. Delays to train services are possible.
Thunderstorms may break out from late Saturday afternoon over North Wales, then becoming more widespread over northern England and southern Scotland on Saturday evening and overnight into Sunday morning. These will move northeastwards clearing during the early hours of Sunday.
Whilst many places will miss these storms and remain dry, where they do occur some heavy rain and lightning is anticipated and in a few places there may also be hail and/or gusty winds. 15-20 mm rain may fall in a relatively short space of time with a few spots seeing close to 30 mm of rain.
The warning area has been extended northwards into parts of southern and eastern Scotland.