The Met Office has warned that thunderstorms – with the possibility of 40-50 mm of rainfall – are set to hit parts of England.
A yellow weather warning has been issued for 12 hours, from 10am until 10pm, today.
The Met Office said flooding of a few homes and businesses is ‘likely’ across the areas of London, Bath, Oxford, Portsmouth, Brighton and Norwich.
There is also a ‘good chance’ that driving conditions will be affected by standing water or hail, leading to longer journey times by car and bus.
Delays to train services are also on the cards, while some short term loss of power and other services is likely.
The weather service said: ‘Showers and thunderstorms will spread from the southwest, as well as developing over land, during the morning, lasting through the afternoon and well into the evening.
‘Whilst some areas will miss these, where they develop 20-30 mm of …