Met Office names exact year UK summer heatwaves could hit insane 45C | Weather | News
Passengers were stranded at Euston Station due to sweltering temperatures on Tuesday night (Image: Jam Press/@CrimeLdn)
Summer heatwaves in the UK could break records by reaching a scorching 45°C by 2056 as climate change strengthens extreme weather conditions, Met Office scientists have warned. On the 50th anniversary of the legendary heat wave of 1976, meteorologists modeled a plausible future scenario under global warming of about 2.5 degrees.
The projection paints a grim picture: two weeks of prolonged cooking temperatures exceed 40C for nine consecutive days in the UK. In the 2056 scenario, maximum temperatures would reach 45°C in England, 41°C in Wales, 38°C in Scotland and 30°C in Northern Ireland, turning the 1976 drought into something much more dangerous.
A woman protecting her face from the sun with the Shard in the background (Image: ANDY RAIN/EPA/Shutterstock)
The stern warning comes as the Met Office issued a Red Extreme Heat National Severe Weather Alert for parts of the country on Wednesday and Thursday. This week, temperatures are expected to break June records, posing serious risks to health, infrastructure, transportation, energy and water resources.
Met Office chief scientist Professor Stephen Belcher CBE said the current heatwave was already a major event made more likely and intense by human-caused climate change.
Mr Belcher said: “It is sobering to see temperatures like these in the UK in June. Events like this highlight the consequences of climate change, with very high temperatures and humidity having significant health consequences from heat stress.”
The summer of 1976 is etched in the national memory for its relentless heat, drought, water shortages and pipes in the streets. Research published today shows that a similar heat wave would already be around 3°C warmer in today’s hot climate.
What might the future look like? (Image: Met Office)
Professor Ed Hawkins MBE, of the University of Reading, said: “1976 was an extraordinary event, but it took place in a much cooler climate. Heatwaves like this are becoming more intense and more frequent as global temperatures rise.”
Average summer months in the UK have warmed by around 1.4°C since 1976, with extreme temperatures changing even faster. The 2056 scenario is not a specific prediction, but a science-based example of how risks evolve.
Professor Hayley Fowler FRS from Newcastle University has warned that future heatwaves will increase 1976-style effects: “The 1976 heatwave was about more than just heat.
“This has led to drought, water shortages and significant impacts on daily life. In a warmer climate, these impacts are likely to be more severe.”
Scientists say greater challenges lie ahead, including increased risks to vulnerable people, wildfire threats, pressure on food production and pressure on critical services.
The Met Office stressed that the scenario underlined the need for urgent planning. Impact-based warnings are designed to help government, industry, and the public prepare for extremes that are no longer uncommon.
Mr Belcher added: “Using data from the Met Office’s climate projections, we can predict what an event similar to the summer of 1976 will look like in the 2050s. It is a safe bet to see maximum temperatures reaching 45°C.”
While the UK is overwhelmed by current warnings, meteorologists’ message is clear: Temperatures are rising and the coming decades could challenge the country like never before.
