The UK has recorded a temperature of over 40C (104F) for the first time – as the heat continues to rise.

Thermometers hit 40.2C at London Heathrow at 12.50 BST, breaking a record temperature of 39.1C in Charlwood, Surrey, registered earlier.

But Tuesday’s temperatures are expected to climb higher still, with places along the A1/M1 corridor expected to see up to 42C later.

Scotland is also expected to surpass its historic reading of 32.9C.

In Wales, Rhyl, Flintshire, recorded 33.4C at 11:00 BST.

The Met Office has issued a red extreme heat warning covering much of central, northern, and south-east England.

Network Rail has warned against travel, road surfaces have warped, and a number of power cuts have been reported across Yorkshire.

At least five people have died in and around water over the past two days amid warnings about the dangers of open water.

BBC Weather’s Simon King said: “For meteorologists, exceeding records by a margin of two or three degrees is a staggering thought when historically records were only broken by fractions of a degree.”

  • Check the forecast where you are
  • Follow live updates as heat record broken in UK

As temperatures rapidly rise on Tuesday, emergency responses have been issued across the UK:

  • Emergency services are searching for a person believed to be missing off Clacton Pier in Essex
  • A man died after being pulled from the sea on the Isle of Wight
  • Sagging conductors and overheating transformers caused faults with the power network in Yorkshire
  • Network Rail issued a “do-not-travel” warning for Tuesday, affecting services travelling through the “red zone”
  • Thameslink, Great Northern, East Midlands and East Coast services are heavily disrupted – or cancelled altogether
  • The Supreme Court moved hearings online, while the British Museum confirmed it would shut early at 15:00

The extreme warning, indicating a threat to life, is in place in an area stretching between London, Manchester and York.

There was a markedly cooler outlook for Penzance, Cornwall, where thundery storms hit the popular holiday destination and were projected to last until midday.

But by 16:00, Lincoln, Cambridge and Huntingdon could also see 40C – and areas in the A1/M1 corridor may surpass this.

Meanwhile, provisional figures showed the UK experienced the warmest night on record from Monday into Tuesday.

Emley Moor in West Yorkshire is likely to have broken the night time record, where 25.9C was recorded overnight, according to the Met Office.

A person shelters from the sun near a sign showing cancelled rail servicesIMAGE SOURCE,PA MEDIA
Image caption,

The heat soared in London – where morning temperatures hit 36.9C before midday
Two people shelter from rain in FalmouthIMAGE SOURCE,GETTY IMAGES
Image caption,

But showers in Cornwall dampened down the heat
The Queen continued to work during Tuesday's record heat - seen here conducting a virtual audienceIMAGE SOURCE,PA MEDIA
Image caption,

The Queen continued to work during Tuesday’s record heat – conducting a virtual audience with the new US ambassador

Rail services on Monday evening were heavily impacted by the extreme heat, Network Rail said, with buckled rails reported and overhead wire systems failing. A new record rail temperature of 62C was recorded in Suffolk.

Jake Kelly, the group director for system operation at Network Rail, said it had taken “the difficult and regrettable” decision to close the East Coast Mainline and the Midland Mainline due to record temperatures.

Mr Kelly told BBC Radio 4’s Today programme: “We don’t take decisions like this lightly. Our engineers work very hard assessing the capability of the infrastructure facing that record heat, and we decided that we had no choice but to close it.”

Transport Secretary Grant Shapps said the UK’s rail network could not cope with the extreme heat, adding that it would take “many years” before upgrades would mean services could handle the hotter climate.

“The simple answer is no, the network cannot cope with the heat right now,” he told BBC Breakfast. “In 40C heat, tracks can reach 50C, 60C, and even 70C, and there’s a severe danger of tracks buckling and a terrible derailing.

“We are building new specifications, creating overhead lines that can withstand higher temperatures. But with the best will in the world, this is infrastructure which has taken decades to build, with some of our railways stretching back 200 years.”

Runways at Luton Airport and RAF Brize Norton were impacted by the heat on Monday – forcing aircraft to divert.



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