A long-awaited shift in the UK’s weather is on its way, with a chance of a heatwave hitting as soon as next week.
In comparison to last year – the hottest June the UK has ever seen – this year’s summer has got off to a disappointing start, with cold northerly winds coming in from the Arctic keeping temperatures down.
But now things are changing, Sky News weather producer Kirsty McCabe says.
Over the weekend and into next week, warmer and more settled weather has a high chance of developing, she says, with “southerly winds, bringing hot, continental air and a rise in temperatures”.
“There is also around a 20% chance we could see heatwave conditions developing by the middle of next week,” McCabe adds.
Image: People punting in Cambridge on Sunday. Pic: PA
Before that, the Met Office has issued a warning of thunderstorms for much of northern England on Tuesday, despite sunnier weather elsewhere.
A yellow weather warning is in place from 11am to 9pm, covering much of Yorkshire, the East Midlands and parts of northwest and northeast England, with the forecaster warning that lightning could damage a few buildings and structures, with short-term power loss and flooding possible.
Temperatures for the rest of this week will potentially creep up above average, although nights may still remain chilly.
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Image: A yellow weather warning has been issued for Tuesday. Pic: Met Office
In the UK, a heatwave is defined as a prolonged period of abnormally high temperatures, relative to the expected conditions at that given time and place.
The Met Office has a defined temperature threshold for each county in the UK and if the daily maximum meets or exceeds this value for at least three consecutive days it is classed as a heatwave.
These threshold values range from 28C in London and some Home Counties to 25C in northern England, Devon and Cornwall, Scotland, Northern Ireland and most of Wales.
Image: Heatwave threshold by UK county. Pic: Met Office
Chertsey in Surrey was the closest to reaching its 28C threshold back in May after climbing to 27.5C – the highest temperature of 2024 so far.
‘Keep an eye on the forecast’
A heatwave and warmer weather are not the only possibilities, McCabe warns, adding: “Keep an eye on the forecast!”
In contrast, Dan Harris, deputy chief meteorologist for the Met Office, predicts an initial warm spell won’t last too long, with the weather turning “more changeable” this Friday and into the coming weekend.
“Temperatures this week are likely to peak at around 24 or 25C on Thursday and Friday in the south, though more subdued in the northwest, with the influence of cloud and showers at times more likely,” he said.
Scientists are turning detective to work out what British dolphins are up to beneath the waves – by using forensic-style DNA techniques on their poo.
Conservationists have been studying the 250 or so bottlenose dolphins living in Cardigan Bay, west Wales, over many decades.
Up to now, they have only been able to observe the dolphins as they surface to breathe or play, identifying the animals from the unique marks on their dorsal fins to establish which animals were hanging out together and where.
Image: Dolphins in Cardigan Bay. Pic: Sarah Perry/WTSWW
But now for the first time scientists are using DNA excreted by the dolphins in their poo to build a more complete picture of their lives.
It allows them to identify the sex of individuals and how they are related to other animals. Signficantly, it also shows what the dolphins have been eating.
Image: Dolphin poo. Pic: Sarah Perry/WTSWW
Dr Sarah Perry, marine conservation manager at The Wildlife Trust of South and West Wales, said: “In order to be able to conserve them, we need to know why they’re here and a big a missing part of that is, what they’re feeding on.
“Is that changing at different times of the year? Are certain species of fish more important to them early on in the year, in the spring, and the summer months, and then does that change over the autumn and winter months?
“Are certain species important for younger animals? We don’t know that, so that kind of information, we need to find out.”
Image: Dr Sarah Perry
Catching dolphin poo involves a large element of luck.
The animals occasionally eject a cloud of waste material as they swim.
But it quickly sinks, so the scientists’ boat needs to be close enough for them to scoop it out of the sea with a fine-meshed net.
A sample is then sent to a lab at the University of Aberystwyth, where DNA is extracted for analysis.
Results so far suggest the dolphins are having to adapt to a change in fish species as the water warms.
Image: Dr Niall McKeown
Dr Niall McKeown, a marine biologist at the university, said: “We are seeing large amounts of sardine, sprat, and anchovy.
“This is quite interesting because these are species that are known to have increased in abundance in Welsh waters in recent years in response, we believe, to climate change.”
Image: Dr Niall analyses a sample
Scientists unsure why dolphin numbers are falling
But questions remain about the dolphins.
The number in Cardigan Bay seems to be falling, but scientists are not sure whether that’s a natural cycle or a response to other factors.
Boat noise and disturbance from some fishing activities, such as scallop dredging, could impact the animals, which rely on sound to communicate.
Dr Parry said: “How lucky are we to have such an important population of dolphins here? It’s crazy that we really don’t know that much about them.”
Sir Alan Bates has accused the government of presiding over a “quasi kangaroo court” for Post Office compensation.
Writing in The Sunday Times, the campaigner, who led a years-long effort for justice for sub-postmasters, revealed he had been given a “take it or leave it” offer that was less than half of his original claim.
“The sub-postmaster compensation schemes have been turned into quasi-kangaroo courts in which the Department for Business and Trade sits in judgement of the claims and alters the goal posts as and when it chooses,” he said.
“Claims are, and have been, knocked back on the basis that legally you would not be able to make them, or that the parameters of the scheme do not extend to certain items.”
More than 900 sub-postmasters were prosecuted between 1999 and 2015 after faulty Horizon accounting software made it look as if money was missing from their accounts.
Many are still waiting for compensation despite the previous government saying those who had their convictions quashed were eligible for £600,000 payouts.
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‘It still gives me nightmares’
After the Post Office terminated his contract over a false shortfall in 2003, Sir Alan began seeking out other sub-postmasters and eventually took the Post Office to court.
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A group litigation order (GLO) scheme was set up to achieve redress for 555 claimants who took the Post Office to the High Court between 2017 and 2019.
Sir Alan, who was portrayed by actor Toby Jones in ITV drama Mr Bates Vs The Post Office, has called for an independent body to be created to deliver compensation.
He added that promises the compensation schemes would be “non-legalistic” had turned out to be “worthless”.
It is understood around 80% of postmasters in Sir Alan’s group have accepted a full and final redress, or been paid most of their offer.
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‘Lives were destroyed’
A Department for Business and Trade spokesperson told Sky News: “We pay tribute to all the postmasters who’ve suffered from this scandal, including Sir Alan for his tireless campaign for justice, and we have quadrupled the total amount paid to postmasters since entering government.
“We recognise there will be an absence of evidence given the length of time which has passed, and we therefore aim to give the benefit of the doubt to postmasters as far as possible.
“Anyone unhappy with their offer can have their case reviewed by a panel of experts, which is independent of the government.”
Sir Keir Starmer could decide to lift the two-child benefit cap in the autumn budget, amid further pressure from Nigel Farage to appeal to traditional Labour voters.
The Reform leader will use a speech this week to commit his party to scrapping the two-child cap, as well as reinstating winter fuel payments in full.
There are now mounting suggestions an easing of the controversial benefit restriction may be unveiled when the chancellor delivers the budget later this year.
According to The Observer, Sir Keir told cabinet ministers he wanted to axe the measure – and asked the Treasury to look for ways to fund the move.
The Financial Times reported it may be done by restoring the benefit to all pensioners, with the cash needed being clawed back from the wealthy through the tax system.
The payment was taken from more than 10 million pensioners this winter after it became means-tested, and its unpopularity was a big factor in Labour’s battering at recent elections.
Before Wednesday’s PMQs, the prime minister and chancellor had insisted there would be no U-turn.
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Will winter fuel U-turn happen?
Many Labour MPs have called for the government to do more to help the poorest in society, amid mounting concern over the impact of wider benefit reforms.
Former prime minister Gordon Brown this week told Sky News the two-child cap was “pretty discriminatory” and could be scrapped by raising money through a tax on the gambling industry.
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Brown questioned over winter fuel U-turn
Mr Farage, who believes Reform UK can win the next election, will this week accuse Sir Keir of being “out of touch with working people”.
In a speech first reported by The Sunday Telegraph, he is expected to say: “It’s going to be these very same working people that will vote Reform at the next election and kick Labour out of government.”