A severe weather warning for thunderstorms has been issued for London and the south east of England for Friday afternoon.

Following weeks of hot and dry weather, forecasters have been predicting the country will be hit by a period of stormy weather once the heatwave ends.

The Met Office has now issued a warning for thunderstorms to sweep over the south east between 2pm on Friday (July 20) afternoon and midnight that night.

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A Met Office statement read: “High temperatures may set off some heavy showers and thunderstorms, which in some places could be slow-moving and persistent, bringing a risk of flooding.

“Should they develop, in the heaviest showers some places could see 30mm of rain in an hour, which would likely bring flooding impacts particularly should this fall on an urban area.

“There would also be a smaller chance of impacts from lightning strikes.

“As is the nature of showers, many places will miss them altogether, and it is not possible to say precisely where they will occur, but the warning area highlights the region at greatest risk.”

It is common for thunderstorms to follow a heatwave signalling a break in the high atmospheric pressure common during hot weather.