The spell of elevated warmth will start on Monday 8 August as a plume of warmth from France begins to dominate the UK, with central elements together with London seeing the mercury soar to 28C. On Tuesday, elements of southern England will attain 30C, with the south-east and central areas following shut behind at 29C. Damp will unfold mid-week and most of England and elements of Wales will probably be lined in 30C on Wednesday and Thursday – rising to 34C on Wednesday and Thursday. And regardless of earlier claims of the mercury cooling on Friday, new maps now present that will not be the case.
Temperatures will drop by simply three levels at finest, which means many locations will proceed to achieve highs of 30C till no less than Monday August 15, when temperatures look set to drop for the primary time.
Nonetheless, this was not accredited by the Met Workplace, which mentioned it was unable to say how lengthy the heatwave may final.
However the maps say it will likely be the second half of the month when temperatures begin to return to 22C.
The Met Workplace blames the rise in warmth on excessive strain constructing within the Atlantic and within the south and south-west.
This additionally corresponds with the WX Charts interactive climate mannequin, which reveals warmth constructing over Cornwall, Bristol and elements of Wales earlier than it radiates throughout England.
The Met Workplace’s chief forecaster Steve Willington mentioned: “We may see elements of the UK enter heatwave situations if the above-average temperatures final for 3 days or longer.
“Many areas of the UK, significantly within the south, will see temperatures a number of levels above common, however these are more likely to be properly beneath the document temperatures we noticed in mid-July.
“As strain rises, little or no significant rain is within the forecast, significantly in these areas of southern England that skilled very dry situations final month.
“There may be some uncertainty about subsequent week’s temperatures, though early August sunshine within the UK doesn’t have the identical heating potential as mid-July because the solar is decrease within the sky and daylight are barely shorter.
“Each of those components recommend that it’s extremely unlikely that we’ll see peak temperatures a lot above the low to mid 30s. Nonetheless, that might nonetheless be scorching climate.”
The Met Workplace added: “Whereas it’s too early to say how lengthy the recent spell will final, there are indicators of a return to extra changeable situations from round mid-August.
“Whereas temperatures could proceed to be above common within the south, this modification would scale back the possibility of extended excessive temperatures.”