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‘Super heatwave’ set to blast UK into ‘high-30Cs’ as early as subsequent month

A “super heatwave” is heading to the UK and could blast Brits with temperatures well into the high-30Cs, according to a leading weather forecaster.

The Met Office defines a heatwave as “when a location records a period of at least three consecutive days with maximum temperatures meeting or exceeding a heatwave temperature threshold”. In the UK, this threshold varies from 25C to 28C between counties – meaning the upcoming hot spell will easily surpass that, if the prediction comes true.

Exacta Weather forecaster James Madden said in an update on Facebook last night (Wednesday, June 5) a “major heatwave or super heatwave” is on course to hit the UK in “mid-summer”.

READ MORE: UK faces heatwave ‘surpassing 30C or higher’ this month due to ‘African plume’

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Temperatures could reach into the ‘high-30Cs’ according to Madden (stock)

Madden went into more detail about exactly when this could strike. Citing an earlier “high-confidence” prediction, the forecaster said this extreme heat “is still on target to develop in or around mid-July for the UK and Ireland”. He added that the “peak” of this super heatwave could see temperatures “reach as high as the mid- to high-30C mark”.

Although other forecasters are yet to publish their in-depth predictions for the mid-July period, Netweather states the month as a whole should be “very warm or hot month, with high pressure often in charge”.

If the Exacta Weather forecast comes to fruition, temperatures will be similar to those experienced during the scorching heatwave of July 2022. We are currently approaching the two year anniversary of when the UK experienced its hottest ever temperature and breached the 40C mark for the first time in history, with 40.3C recorded by the Met Office on July 19, 2022.



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Experts say 40C summers will become more common (stock)

Last year, the Met Office warned our chances of experiencing 40C summers have increased “tenfold”. Dr Mark McCarthy, science manager of the National Climate Information Centre (NCIC), told the Met Office’s Weather Snap podcast: “We found it was highly unlikely that we could achieve that threshold just through our natural variability alone… [for] the current climate we’re in we estimated that, although still unlikely, the chances of getting to 40C have increased tenfold due to human activity.”