Weather phenomenon behind heatwave coming to UK


After some of the miserable, wet and thundery conditions we have been hit with lately, July’s heatwave suddenly feels like a distant memory and it almost feels hard to believe there even was a heatwave.

But now forecasters are getting Brits excited again as a new heatwave looms on the horizon, with temperatures in excess of 25 degrees likely to hit our region in the coming weeks.

With the suggestions of an African plume being the reasoning behind the forecasted heatwave, a lot of questions are being raised as to what an African plume is and how it could bring back the sunny weather we have been missing lately.

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Tropical continental air masses that dictate our weather are behind the dramatic change in conditions, with the air mass coming from North Africa and the Sahara regions, leading to it being labelled the ‘African plume’.

This would bring much warmer and drier conditions that would sweep in from the south and move gradually up towards Staffordshire once the air reaches the mainland.

Other elements that come with an African plume include above average temperatures, thunderstorms, and those dreaded warmer nights.

So don’t pack away the fans just yet, because we might not be quite finished with them for the summer.


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Brian Gaze, Weather Outlook forecaster, broke down what we can expect from the conditions in the coming days.

“There are tentative signs of an improvement in the middle third of August.

“High pressure may build towards the UK from the Azores, but there is a lot of uncertainty about this.

“If it happens temperatures in southern and central areas could climb towards the upper 20Cs and in the north the mid 20Cs.”

He added: “In the first half of August, mixed with showers or longer periods of rain but also warm and fine spells.

“The driest weather will probably be in the south and east, but a heightened risk of heavy showers or thunderstorms means local variations could be large.

“Temperatures should be above average when aggregated over the period as a whole. In the second half, the chance of settled and very warm periods increases.

“Showery spells of rain are still probable, particularly in the north and west.”

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The BBC’s long-range forecast currently predicts unsettled weather for the next few weeks, but hints towards the improved weather being later in the month.

“We anticipate low pressure will be in charge across northern Europe for the next few weeks, keeping the UK weather unsettled, wetter, and cooler than normal for late summertime.

“However, later in August, there are some encouraging signs for more influential high pressure, at least for a few weeks, bringing some drier and warmer weather.

“This does come with a slight chance of a late-summer heat wave, but at the moment this is only a risk.”





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