We Is Hot

What causes a heatwave and how hot can we expect it to get this week?

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Passengers on the London underground have been enduring temperatures as high as There have been several devastating blazes on moorland, including Saddleworth Moor near Manchester, which firefighters say could take weeks to extinguish. The RSPB is warning that high temperatures pose a threat to many of our favourite garden birds , such as robins, blue tits and blackbirds, while the RSPCA has called on pet owners to keep a close eye on their animals after receiving calls in two weeks about animals in hot environments — the majority of them dogs in cars.

When air is the same temperature as our body, why do we feel hot?

Farmers are becoming increasingly worried about the impact on crops and cattle. There has been a big increase in the number of bloodsucking horseflies, which are now at levels commonly found in Mediterranean countries.

There are also reports of a surfeit of pollen beetles and flying ants in some parts of the country. Butterfly and bee numbers are expected to rise as a result of the hot weather, too. Severn Trent, one of the biggest utilities, is warning people to conserve supplies.

Homes that it supplies in Shropshire, Staffordshire and Derbyshire have been temporarily without water as demand has outstripped supply across its network. NI Water is asking people not to use water for washing cars, filling pools or sprinkling gardens, as supply failures have already hit some areas. Camp sites are also doing well.

However, a shortage of CO2 has see some pubs and retailers having to restrict sales of certain beers as demand for them soars with the World Cup and the hot weather. High pressure in the higher latitudes often means lower temperatures and heavier rainfall in the Iberia peninsula, according to meteorologists.

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Britons who usually holiday in the wetter parts of Spain or Portugal at this time of year might do just as well, weather-wise, by staying at home. Grahame Madge, press officer at the Met Office, says a slight cooling influence is coming in from across the North Sea, but its effect will be limited as in the next few days the humidity will rise. Dr Todd Crawford, its chief meteorologist, said: What we have seen in June so far should hang on for at least the first half of July.

The UK is experiencing a heatwave — unofficially The UK does not have an official definition of a heatwave, although the Met Office is working on one.

Records have been broken — sort of Met Office forecasters report that last month could be among the five warmest, driest and sunniest Junes since records began in The high temperatures are expected to be beaten later this week- before dropping off at the weekend. M et Office meteorologist Alex Burkill said the warm weather, with parts of the UK currently hotter than Athens in Greece and Rio in Brazil, looks set to continue into next month.

H e said the mercury could rise to a scorching 33C The current heatwave will go close to breaking records for the hottest days and months ever recorded in the UK. The hottest June day on record in the UK was the Last year, Britain basked in the hottest June day recorded in over 40 years when temperatures hit a peak For July, the hottest day on record remains the T he heatwave of produced the hottest summer average temperature in the UK since records began, when temperatures reached We urge you to turn off your ad blocker for The Telegraph website so that you can continue to access our quality content in the future.

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