The Met Office have issued a yellow weather warning for thunderstorms on Sunday, June 5 covering Bristol, Gloucestershire and Somerset.
The forecasters have said the storm is likely to hit from midnight Saturday and last until 6pm on Sunday. Experts warned that: "Thunderstorms developing over parts of England and Wales from early Sunday may cause travel disruption and, in a few places, flooding."
"Some places could see 15 to 20mm in an hour, and perhaps up to 50mm before storms fade, and hail may affect a few spots, " the Met Office reports.
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The forecasters have warned that flooding could cause a 'danger to life' and could see some communities cut off. They said: "Fast flowing or deep floodwater is possible, causing a danger to life and some communities might become cut off if roads flood."
They've also said that there is likely to be some power cuts, cancellations to public transport and lightning strikes.
The forecasters said:
- Flooding of homes and businesses could happen quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds
- Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services
- Spray and sudden flooding could lead to difficult driving conditions and some road closures
- Power cuts might occur and other services to some homes and businesses could be lost
Locations affected in the South West
- Bath and North East Somerset
- Bristol
- Gloucestershire
- North Somerset
- Somerset
- South Gloucestershire
- Swindon
- Wiltshire
