UK weather warning: Jet Stream sparks 55mph gales and ‘relentless’ rain in 48-hour blitz

UK weather: UK set for heavy showers and wind

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Strong winds and heavy rain are set to engulf large parts of the UK over the next 48 hours as jet stream heads towards the UK. Weather charts show swirling winds circulating in the Irish Sea as an area of low-pressure closes-in from the Atlantic. Maps show a dark-red area forming along the west coast of Britain and it has triggered a series of weather warnings.

The Met Office already has four alerts for rain in place, including an amber warning covering the south western areas of Wales.

The amber warning remains in place until 6pm on Saturday and says up to 200mm of rain is expected across higher ground.

It says: “35 to 70 m of rainfall is expected widely within the warning area, with high ground and upslopes exposed to the south and southwest expected to see significantly more.

“Here rainfall totals are expected to reach 100 to 150 mm quite widely, with as much as 200 mm possible on the highest ground of south Wales before the rain band clears to the east during the late afternoon and evening.

“As well as heavy rain, strong to gale force southerly winds will be an additional hazard through Saturday.”

BBC weather forecaster Louise Lear said the spell of wet and windy weather has been triggered by a jet stream over the past 24 hours, which is set to get stronger.

She said: “Thursday saw heavy rain clearing to sunny spells and scattering showers, but I suspect, as we head towards the weekend it gets a little more unsettled.

“Yes, it is going to stay mild, but the winds are really going to pick up, gale force gusts at times and there is going to be some heavy persistent rain for some but not all of us.

“One of the reasons – there is a fairly amplified jet stream at the moment. It’s the jet stream that is responsible for directing areas of low pressure across the UK.”

She added: “It’s going to bring gale force gusts of winds and a spell of very wet weather across west-facing coasts throughout the day on Friday.

“But the winds gusting in excess of 55mph on exposed coasts and some of that rain fairly relentless, so rainfall are certainly starting to tot-up.”

Ms Lear said the unsettled conditions will “continue to bring some erratic spells of wet weather”, with western areas most affected.

She added: “As we move towards the weekend we’ve still got this feed of very moist air.

“That’s going to be driving that weather front, that’s going to continue to bring some erratic spells of wet weather out to the west, and some of those totals are really going to start to tot-up as we see that intense weather particularly across higher ground.”

The spell of wet and windy weather is set to escape large parts of the south east of England.

Temperatures are set to remain relatively mild with highs of 16C on Saturday.

Met Office chief forecaster Steve Willington said: “Mild air – from much further south in the Atlantic – is being directed towards the UK.


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“Although this will keep temperatures much higher than average, the main focus should be on the heavy and prolonged rainfall.

“There are a number of yellow national severe weather warnings for rain currently in force and with the prolonged rainfall we have a pattern of Yellow warnings in operation until Sunday.”

He added: “With the prolonged rainfall approaching from the south rather than the southwest, there may be some differences in the usual pattern of rainfall.

“Many of the areas covered by the warnings usually experience heavy rain, but with the rain coming from a less typical direction some of the impacts may be vary accordingly as different areas may experience higher than usual volumes of rain.”

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