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UK hot weather forecast: Sweltering 27C Azores heatwave to bake Britain – new maps

BBC Weather forecasts temperatures to soar across Europe

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High pressure from the Atlantic – where the Azores islands are located – is set to push hot air into the UK next week. The latest heat maps from Netwaether show temperatures climbing to a scorching 27C in London and Kent on Sunday, July 18. Essex, Doncaster and Norwich could also bask in highs of 26C, while Bristol, Portsmouth and Scarborough see 25C.

Brian Gaze, a forecaster at Weather Outlook, shared maps from next Sunday showing “very warm” air sweeping over the UK.

He wrote on Twitter: “ECM, GEM and GFS deterministics are broadly consistent at t+10 days so increased confidence.

“Potentially very warm but nagging doubts about the “robustness” of this evolution remain.”

Mr Gaze added the hot air is expected to come from the Azores and potentially stick around until the last part of July.

He told “The Azores High pressure will build northeastwards across the UK during the middle part of July.

“That would bring drier weather than we have had recently and temperatures in the south could climb into the mid or upper 20C.

“North western parts of the UK may remain cooler and more changeable as weather fronts from the Atlantic continue to push in.

“It’s too early to say how long the more summery spell will last for, but computer models are showing the possibility of drier and warmer than average conditions continuing into the last third of July. “

The BBC’s long-range forecast added high pressure could help temperatures rise by the middle of July.

The forecast between Monday, July 12, and Sunday, July 18, said: “The Jet Stream, (a ribbon of fast-moving air in the upper atmosphere that drives weather systems) looks as though it will strengthen from North America as it comes across the Atlantic, helping to push new weather fronts into the UK.

“The main risk to the forecast is that high pressure in the Atlantic may build stronger into northern Europe than we expect.

“This would be a drier pattern for southern and eastern areas although wetter weather would still be possible in the west and north.

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“Temperatures would also be a little warmer, rising above average more consistently, especially for southern areas.

“Our shorter-range computer models are showing good support for this, but they have had a tendency to overestimate the extent of high pressure in Europe recently, so caution is needed.

“There is perhaps a 30 percent chance of this pattern developing instead.”

The Met Office’s weather forecast between Tuesday, July 13, and Thursday, July 22, also said brief spells of rain could interrupt the hot weather.

But températures are still predicted to remain “above average”.

The long-range forecast said: “During the second half of next week conditions are expected to become more settled with dry and bright weather developing for many areas.

“Some light showers are still possible in places, particularly in the northwest and southeast.

“Temperatures are likely to be around average, perhaps above average by the end of the week.

“Beyond this, warmer and drier than average conditions are most likely.

“The occasional unsettled spell of weather is still possible, particularly over northwestern areas, but overall most places will probably be mostly fine and dry.

“Temperatures are expected to rise above average.”

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