Met Office warning: Thunderstorms to rock UK for next 27 hours - urgent alert

Forecasters have warned the storm will batter several parts of the UK from 6pm tonight to 9pm on Wednesday across the south, east, west and further up to Midlands. Britons are bracing themselves for torrential downpours with up to two inches (50mm) of rain forecast for much of the south and east, just days after parts of Lincolnshire were flooded by more heavy rain A yellow weather warning has been issued for Tuesday, with chance of lightening, hail, rain and flooding. Thunderstorms will sweep through the Isle of Wight on Tuesday, pushing northeast into the East Anglia region and spreading further down south.

Despite the heavy rain, temperatures are expected to peak up to 20C.

Authorities have warned residents to take caution as several counties have been placed on high alert of flooding.

Flood warnings have been issued for Great Steeping and Firsby in Lincolnshire, River Steeping in Wainfleet All Saints also in Linclonshire, as well as River Vyrnwy at Maesbrook and River Vyrnwy at Melverley which are both in Shropshire.

Thunderstorms will continue battering the UK through the week with the wet weather moving into the north on Thursday and Friday. It will begin to retreat on Friday and Saturday, paving the way for a 29C weekend heatwave.

The Met Office said: “Through Tuesday evening there is potential for thunderstorms to break out, initially across parts of southern England, before developing more widely overnight and then clearing through Wednesday morning.

“The thunderstorms may merge into areas of more prolonged and widespread rain for a time on Tuesday night and at first on Wednesday.

“Widely 15-30mm of rain may fall, with up to 50mm in a few locations.

“After a drier interlude, further thunderstorms may develop in a few places during Wednesday afternoon, mainly southeastern parts of England.

“Whilst rain and flooding is likely to be the largest impact, hail, lightning and gusty winds will be additional hazards.”

Much of the UK can expect heavy rainfall and potential flooding, which could bring flooding, power cuts and cause travel chaos for commuters.

The catastrophic weather is caused by the Spanish plume where warm air is lifted from the Spanish plateau to northwest Europe giving rise to severe thunderstorms.

Weather forecaster Metcheck said: “An active theta plume with moist boundary level air and low level convergence will develop across parts of Southern and Southeast England through the course of Tuesday ahead of an incoming front from the Northwest.

“We expect thunderstorms to develop around the Isle of Wight during Tuesday morning and push Northeast into the East Anglia region.

“Hail and locally torrential rainfall is possible with cloud to ground lightning and strong, gusty winds around the storms.

“Later on Tuesday afternoon and into Tuesday evening we are expecting low level convergence to develop across parts of Southern and Southeast England triggering rapid development of thunderstorms.

“These storms will then continue to push Northeast into the London area and later East Anglia during the early hours of Wednesday morning.

“Locally 25-50mm (1-2) of rainfall is possible in a short amount of time with local flooding possible. Thunderstorms could once again develop across parts of Southern and Southeast England during Wednesday morning, but this is considered moderate/low risk and we will revise this part of the advisory on Tuesday.”

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