Flooding, power cuts and buildings could be damaged from lightning strikes

The warning covers the South West

There could be up to 40mm of rain within a few hours in the worst hit areas of the country on Monday evening

The eight-hour alert has been issued as some parts were expected to see 20 to 30mm of rain fall within a couple of hours

The UK's weather will take a turn for the worse this afternoon as the Met Office issued a new warning for heavy rain, strong winds, hail and lightning for parts of the country, with buildings at risk

The latest UK weather warning states that Britons should expect more than an inch of total rainfall in some areas, with flooding and building damage among possible consequences

Flooding is expected across Bristol tonight