Heatwave

A seal cools off at Belgrade Zoo during a heatwave on Tuesday. In Serbia where the meteoalarm has been raised to 'red', extremely hot weather with temperatures up to 39 degrees Celsius is expected to continue over the next several days

Andrej Isakovic/AFP

A seal cools off at Belgrade Zoo during a heatwave on Tuesday. In Serbia where the meteoalarm has been raised to ‘red’, extremely hot weather with temperatures up to 39 degrees Celsius

Summer weather July 2nd 2015...A lightning storm hits Blyth on the Northumberland coast early this morning, as thunderstorms and heavy downpours heralded cooler temperatures across the country following the hottest July day on record. PRESS ASSOCIATION Photo. Picture date: Thursday July 2, 2015. Forecasters said there would be some respite from the searing heat, which reached a maximum recorded temperature of 36.7C (98F) and caused roads to melt and rail service cancellations. See PA story WEATHER Heatwave. Photo credit should read: Owen Humphreys/PA Wire

Owen Humphrey/PA

A lightning storm hits Blyth on the Northumberland coast early this morning, as thunderstorms and heavy downpours heralded cooler temperatures across the country following the hottest July day on record

A Pakistani youth, cools off under a water supply pipe, during a sudden heavy rain fall after days of scorching temperatures due to a heat wave, in Islamabad, Pakistan, Thursday, Aug. 7, 2014.  (AP Photo/Muhammed Muheisen)

Muhammed Muheisen/AP

A Pakistani youth, cools off under a water supply pipe, during a sudden heavy rain fall after days of scorching temperatures due to a heatwave, in Islamabad, Pakistan

Sunrise Over The Somerset Levels...SOMERSET, UNITED KINGDOM - SEPTEMBER 04:  The dawn sun begins to clear the mist and fog lingering in fields close to the city of Wells on September 4, 2013 in Somerset, England. Parts of the UK are set to enjoy a late summer heatwave today, with temperatures possibly reaching 28C in central, eastern and southern England, with temperatures predicted to climb even higher tomorrow.  (Photo by Matt Cardy/Getty Images)

Matt Cardy/Getty

The sun begins to clear the mist and fog lingering over fields close to the city of Wells in Somerset, England.

People enjoy a sunny day at the Zalew Zegrzynski lake near  Warsaw, Poland, Thursday, Aug. 8, 2013, as the temperature in the shade reached 38 degrees Celsius (100,4Fahrenheit).

Alik Keplicz/AP

People enjoy a sunny day at the Zalew Zegrzynski lake near Warsaw, Poland, on Thursday, as the temperature in the shade reached 38°C

A man puts up a fan to block off the strong sun in the afternoon heat at the Bund, one of the most popular tourist spots in the city, in Shanghai, China, Wednesday, Aug. 7, 2013. Hot weather has set in with temperatures rising up to 40 degrees Celsius (104 degrees Fahrenheit) in Shanghai. (AP Photo/Eugene Hoshiko)

Eugene Hoshiko/AP

A man puts up a fan to block off the strong sun in the afternoon heat at the Bund, one of the most popular tourist spots in the city, in Shanghai, China

A boy cools off in a fountain at a park in Shanghai, China, Thursday, Aug. 1, 2013.  Hot weather has set in with temperatures rising up to 40 degrees Celsius (104 degrees Fahrenheit) in Shanghai.

Eugene Hoshiko/AP

A boy cools off in a fountain at a park in Shanghai, China on Thursday. Hot weather has set in with temperatures rising up to 40 degrees Celsius (104 degrees Fahrenheit) in Shanghai.

Guenter Bosch opens windows in his loft, where he keeps pigeons, in Duisburg, Germany, to improve airflow during the heatwave.

Frank Augstein/AP

Guenter Bosch opens windows in his loft, where he keeps pigeons, in Duisburg, Germany, to improve airflow during an interlude in the heatwave

A child enjoys a fountain in Bucharest, Romania, Tuesday, July 30, 2013, shortly before a thunderstorm, at the end of a torrid day. Southern Romania is affected by a massive heatwave with temperatures of up to 40 Centigrade (104 Fahrenheit) in some areas.

Vadim Ghirda/AP

A child enjoys a fountain in Bucharest, Romania, shortly before a thunderstorm, at the end of a torrid day on Tuesday. Southern Romania is affected by a massive heatwave with temperatures of up to 40 degrees Celsius in some areas.

Children play in a dam to cool off as a heatwave strikes Sofia on July 29, 2013. Temperatures in the Balkan country reached 39 degrees Celsius on Monday.

Nikolay Doychinov/AFP

Children play in a dam to cool off as a heatwave strikes Sofia. Temperatures in Bulgaria reached 39 degrees Celsius on Monday.

A boy cools off in a fountain at a park in Shanghai, China

Eugene Hoshiko/AP

A boy cools off in a fountain at a park in Shanghai, China. Hot weather has set in with temperatures rising up to 40 degrees Celsius in Shanghai.

People enjoy the sun amongst the beach chairs at Heringsdorf on Usedom island, Germany.

Michael Kappeler/EPA

Sunbathers relax among the beach chairs at Heringsdorf on Usedom island, Germany.

People sit in the sun in Sheldon Square in west London...People sit in the sun in Sheldon Square in west London July 19, 2013. Britain's first prolonged heatwave in seven years has taken the country by surprise, with rails buckling, shops selling out of electric fans, and scientists estimating the surge in temperature could have caused hundreds of premature deaths.   REUTERS/Paul Hackett   (BRITAIN - Tags: ENVIRONMENT)

Paul Hackett/Reuters

People sit in the sun in Sheldon Square in west London on Friday. Britain’s first prolonged heatwave in seven years has taken the country by surprise, with rails buckling, shops selling out of electric fans, and scientists estimating the surge in temperature could have caused hundreds of premature deaths. 

Two women sunbathe on the shore of the Vistula River in Warsaw...Two women sunbathe on the shore of the Vistula River in Warsaw June21, as temperatures soar to over 30 degrees Celsius (86 Fahrenheit)  REUTERS/Peter Andrews (POLAND - Tags: ENVIRONMENT TPX IMAGES OF THE DAY)

Peter Andrews/Reuters

Two women sunbathe on the shore of the Vistula river in Warsaw, Poland.

A man sunbathes at Ada Ciganlija lake in Belgrade, Serbia, Thursday, June 20, 2013. The Balkan region is experiencing a heat wave, with temperatures rising as high as 37 degrees Celsius (99 Fahrenheit).

Marko Drobnjakovic/AP

A man sunbathes at Ada Ciganlija lake in Belgrade, Serbia. The Balkan region is experiencing a heat wave, with temperatures rising as high as 37 degrees Celsius (99 Fahrenheit).

  A young woman from Brazil cools off in a fountain on a scorching hot summer day in the city center on June 20, 2013 in Berlin, Germany. Central Europe is in the grips of a heat wave in which temperatures in some regions have reached up to 38 degrees celsius.

Sean Gallup/Getty Images

A young woman from Brazil cools off in a fountain on a scorching hot summer day in the city centre in Berlin, Germany.

An Indian commuter pours water over his head to cool off as young children watch from a window at a railway station in Allahabad, India, Monday, May 20, 2013. Most of north India has been reeling under heat wave conditions with temperature soaring to over 46 degree Celsius (115 degrees Fahrenheit). (AP Photo/Rajesh Kumar Singh)

Rajesh Kumar Singh/AP

An Indian commuter pours water over his head to cool off as young children watch from a window at a railway station in Allahabad, India on Monday. Most of north India has been reeling under heat wave conditions with temperature soaring to over 46 degree Celsius (115 degrees Fahrenheit)