The Met Office is warning of “heavy rain, thunderstorms and very gust winds” on Wednesday across much of the southern half of Britain. Flooding, dangerous travel conditions, lightning strikes, power cuts and felled trees are all a possibility as the storm system smashes the UK.
The warning covers Wales, the Midlands, eastern England, London and the southeast, and nirthwest England.
The yellow warning will take effect from 4am on Wednesday, October 20, and run through to midday.
The Met Office is advising residents under the warning zone to take care when travelling and outdoors as the storm will “move quickly”.
Wind gusts are expected to peak at 40 to 50 mph (60 to 80 kmph).
This is a breaking news story, more to follow.