The United Kingdom, already enduring four heatwaves this year, may be on the brink of a fifth as long-range forecasts indicate a return of hot weather. After a brief cooldown this week, meteorologists suggest that pressure could build in the south again next week, potentially bringing another spell of 'very warm or hot' conditions before summer ends.
Forecasters Warn of Another Hot Spell
Sky News meteorologist Dr Christopher England said: 'It will be cooler over the next few days, but long-range forecasts suggest that pressure may well build in the south again next week, allowing the return of hot weather. It's far too early for any detail, however, with different forecast models giving very different outcomes, but temperatures are likely to be higher than average for many, and it may well turn hot in the south.'
The Met Office echoes this outlook in its long-range forecast, noting that the south and east of England have a 'greater chance of thundery interludes' in the coming days. Despite the potential for storms, rainfall is expected to be 'quite variable' and 'relatively little', with dry conditions persisting in many areas.
Record-Breaking Heat and Drought
This year's extreme heat has already taken a toll. May and June saw heat records shattered, and two heatwaves in July left Britons with little relief. According to official data, the extreme heat led to more than 2,700 excess deaths in May and June alone. Dry conditions have also triggered drought across the country, with last month being the driest July in England and Wales since records began, fueling wildfires nationwide.
The Met Office forecast states: 'For the most part, temperatures look to remain above average, especially in the south, and perhaps turning very warm or hot.' Rain is predicted for northern England, Northern Ireland, Wales, and Scotland, but the rest of England is likely to stay dry.
What Defines a Heatwave?
While the term 'heatwave' might seem straightforward, it has a specific meteorological definition. According to the Met Office, 'a heatwave is an extended period of hot weather relative to the expected conditions of the area at that time of year.' This can be accompanied by high humidity.
To officially qualify as a heatwave, a location must record 'a period of at least three consecutive days with daily maximum temperatures meeting or exceeding the heatwave temperature threshold.' This threshold varies by region—in London and surrounding counties, it is 28°C, while cooler areas may have a threshold as low as 25°C. Whether the upcoming warm spell will meet these criteria remains to be seen.
Impact on Daily Life
The persistent heat has disrupted daily life, from public health concerns to infrastructure strain. London bus drivers have gone on strike over 'completely unacceptable' heatwave conditions, and faulty fans have been recalled over fire risks. As the nation waits to see if a fifth heatwave materializes, residents are advised to stay hydrated and follow official guidance.
