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UK heatwave: Country sees hottest July day on record UK heatwave: Country sees hottest July day on record
(32 minutes later)
The UK has had its hottest July day on record, with temperatures reaching 36.9C at Heathrow in west London.The UK has had its hottest July day on record, with temperatures reaching 36.9C at Heathrow in west London.
The previous record temperature for July was 36.7C, and the Met Office believes the UK could still break the all-time record of 38.5C later.The previous record temperature for July was 36.7C, and the Met Office believes the UK could still break the all-time record of 38.5C later.
Commuters have faced disruption in areas where trains are running slower on tracks at risk of buckling.Commuters have faced disruption in areas where trains are running slower on tracks at risk of buckling.
Much of Western Europe also faces all-time temperature highs, with Paris reaching a record-breaking 40.6C. Paris has seen a record-breaking 40.6C, with much of western Europe facing all-time temperature highs.
The Met Office said at around 13:30 temperature at Heathrow had reached 36.9C, making Wednesday the hottest day of 2019 so far as well as breaking the July record. The Met Office said at around 13:30 BST the temperature at Heathrow had reached 36.9C, making Wednesday the hottest day of 2019 so far as well as breaking the July record.
The previous hottest July day was recorded on 1 July 2015, also at Heathrow, with a temperature of 36.7C.The previous hottest July day was recorded on 1 July 2015, also at Heathrow, with a temperature of 36.7C.
The heat began rising from early morning on Thursday, reaching 31.6C at Heathrow by 10:00 BST while Kew Gardens hit 34C before 12:00. The UK's current highest ever temperature was recorded in Faversham, Kent, in August 2003.
Just after 13:00, it had reached 35.9C in Cambridge, Northolt, in London, Heathrow Airport and Woburn in Bedfordshire. In Bristol, thousands of people have been left without water after a water main burst, with Bristol Water saying the problem might have been caused by the heat.
The UK's current highest ever temperature was recorded in August 2003 - 38.5C.
Burst water main
In Bristol, around 3,000 people are without water after a water main burst.
Bristol Water said the burst might have been caused by the hot weather. Bottled water is being delivered to vulnerable people.
Homeless charities are handing out water and sun cream to rough sleepers across the country and Public Health England has issued a level-three heat health watch for eastern areas of England.
But the extreme heat will not last for long, with the sunny weather giving way to storms.
A yellow warning for thunderstorms is in place from 15:00 BST on Thursday into early Friday morning.
The storms could trigger travel delays, flash flooding, and power cuts.
How is it impacting travellers?How is it impacting travellers?
Speed restrictions are in place on some train routes because of the high track temperatures. Speed restrictions are in place on some train routes because of high track temperatures.
Great Western has cancelled some trains between London, Cardiff and Swansea because of the heat and route between London and Scotland are also affected. Great Western has cancelled some trains between London, Cardiff and Swansea because of the heat and routes between London and Scotland are also affected.
Network Rail, which manages the rail network infrastructure, says tracks can get up to 20C hotter than the air temperature. Infrastructure operator Network Rail says tracks can get up to 20C hotter than the air temperature.
Delays and cancellations are expected for journeys across the whole Gatwick Express, Great Northern, Southern and Thameslink networks until the end of the day. Delays and cancellations are expected for journeys across the Gatwick Express, Great Northern, Southern and Thameslink networks until the end of the day.
Other rail companies, including Greater Anglia, East Midlands, LNER and Hull Trains are advising people not to travel.Other rail companies, including Greater Anglia, East Midlands, LNER and Hull Trains are advising people not to travel.
Southeastern Railway is the latest to suggest customers avoid all but "absolutely necessary" travel.Southeastern Railway is the latest to suggest customers avoid all but "absolutely necessary" travel.
Even those travelling by car could find their journey less enjoyable as FM and AM radio signals can be disrupted in hot weather. Even those travelling by car could find their journey less enjoyable as FM and AM radio signals can be disrupted in hot weather.
This happens when heat causes the signals from local stations to travel further and cause interference outside their usual range. This happens when heat makes the radio signals from local stations travel further and causes interference outside their usual range.
What's the forecast?What's the forecast?
Temperatures topped 30C in south-east England on Wednesday. The highest recorded temperature was 34.4C (93.7F) at Writtle in Essex. On Thursday, parts of Scotland and Wales could see temperatures close to 30C. A weather front close to Northern Ireland will keep it cooler.
On Thursday, parts of Scotland could see temperatures close to 30C, while parts of Wales could also reach 30C. A weather front close to Northern Ireland will keep it cooler.
Later on Thursday, eastern Scotland and the north and east of England could see rain, with a Met Office yellow warning for thunderstorms in place from 15:00 BST on Thursday into early Friday morning.Later on Thursday, eastern Scotland and the north and east of England could see rain, with a Met Office yellow warning for thunderstorms in place from 15:00 BST on Thursday into early Friday morning.
There are warnings that the storms could trigger travel delays, flash flooding, and power cuts.There are warnings that the storms could trigger travel delays, flash flooding, and power cuts.
Heatwave hits EuropeHeatwave hits Europe
On the continent Belgium, Germany, and the Netherlands all recorded their highest ever temperatures on Wednesday. On the continent, Belgium, Germany, and the Netherlands all recorded their highest-ever temperatures on Wednesday.
A red alert has been issued for Thursday in Northern France - with temperatures of 41C forecast in Paris. A red alert has been issued for Thursday in northern France - with temperatures of 41C forecast in Paris.
French reports suggest five deaths might have been linked to the heatwave.
Belgian, German and Dutch temperature records could be broken for the second time in two days.Belgian, German and Dutch temperature records could be broken for the second time in two days.
On Wednesday, a Eurostar train from Belgium to London broke down, trapping passengers, while French reports suggested five deaths might have been linked to the heatwave. David Dehenauw, chief forecaster at the Royal Meteorological Institute in Belgium, said that a high of 40.2C (104F) was recorded on Thursday in the eastern city of Liege - the highest since records began.
David Dehenauw, chief forecaster at the Royal Meteorological Institute in Belgium, said that a high of 40.2C (104F) was recorded on Thursday in the eastern city of Liege - the highest ever since records began.
How to stay safeHow to stay safe
People are being urged to help out vulnerable friends, relatives and strangers in the heat.People are being urged to help out vulnerable friends, relatives and strangers in the heat.
Age UK has issued guidance for older people to stay safe while homeless charities are handing out water and sun cream.Age UK has issued guidance for older people to stay safe while homeless charities are handing out water and sun cream.
Public Health England has maintained a level three heat health watch for eastern areas of England.Public Health England has maintained a level three heat health watch for eastern areas of England.
Police have also warned of the risks of cooling off in open water, after three bodies - believed to be of swimmers - were recovered in London and Gloucestershire. Homeless charities are handing out water and sun cream to rough sleepers across the country and Public Health England has issued a level-three heat health watch for eastern areas of England.
Police have also warned of the risks of cooling off in open water, after three bodies - believed to be swimmers - were recovered in London and Gloucestershire.
Britain is not used to such extreme temperatures, which means some people could be vulnerable to heat exhaustion.Britain is not used to such extreme temperatures, which means some people could be vulnerable to heat exhaustion.
The NHS recommends keeping all babies under six months out of direct sunlight, and older infants should be kept out of the sun as much as possible, particularly between 11:00 and 15:00.The NHS recommends keeping all babies under six months out of direct sunlight, and older infants should be kept out of the sun as much as possible, particularly between 11:00 and 15:00.
They should be kept in the shade or under a sunshade if they're in a buggy or pushchair. Sun cream with a high sun protection factor should be applied regularly - particularly if children are in water.They should be kept in the shade or under a sunshade if they're in a buggy or pushchair. Sun cream with a high sun protection factor should be applied regularly - particularly if children are in water.
All children should be given plenty of fluids and the NHS says babies who are being breastfed may want to feed more than usual, but will not need water as well as breast milk.All children should be given plenty of fluids and the NHS says babies who are being breastfed may want to feed more than usual, but will not need water as well as breast milk.
NHS advice also says people should cool off immediately if they show the following symptoms: headaches, feeling dizzy, loss of appetite, nausea, excessive sweating, cramps, fast breathing and intense thirst. Read our handy advice page on how to deal with the heat here.NHS advice also says people should cool off immediately if they show the following symptoms: headaches, feeling dizzy, loss of appetite, nausea, excessive sweating, cramps, fast breathing and intense thirst. Read our handy advice page on how to deal with the heat here.
Is the heatwave caused by climate change?Is the heatwave caused by climate change?
While extreme weather events like heatwaves occur naturally, "research shows that with climate change they are likely to become more common, perhaps occurring as regularly as every other year", the Met Office says.While extreme weather events like heatwaves occur naturally, "research shows that with climate change they are likely to become more common, perhaps occurring as regularly as every other year", the Met Office says.
It conducted a study last year that found that the UK was now 30 times more likely to experience heatwaves compared to the year 1750, because of "the higher concentration of carbon dioxide (a greenhouse gas) in the atmosphere". It conducted a study last year that found that the UK was now 30 times more likely to experience heatwaves compared with the year 1750, because of "the higher concentration of carbon dioxide (a greenhouse gas) in the atmosphere".
Records going back to the late 19th Century show that the average temperature of the Earth's surface has increased by about one degree since industrialisation.Records going back to the late 19th Century show that the average temperature of the Earth's surface has increased by about one degree since industrialisation.
A climatology institute in Potsdam, Germany, says Europe's five hottest summers since 1500 have all been in the 21st Century.A climatology institute in Potsdam, Germany, says Europe's five hottest summers since 1500 have all been in the 21st Century.
Scientists are concerned that rapid warming linked to use of fossil fuels has serious implications for the stability of the planet's climate.Scientists are concerned that rapid warming linked to use of fossil fuels has serious implications for the stability of the planet's climate.
What are the UK's current record temperatures?What are the UK's current record temperatures?
The current record temperatures across the UK are:The current record temperatures across the UK are:
Is the heatwave causing you disruption or are you just enjoying the sun? Email haveyoursay@bbc.co.ukIs the heatwave causing you disruption or are you just enjoying the sun? Email haveyoursay@bbc.co.uk
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