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2015 likely to be the warmest year, says WMO

Climate change data shows that the years of 2011 to 2015 have been recorded as the warmest five-year period, with 2015 to be the hottest

Quelle:: World Meteorological Organization

Water drought in Thailand, 14 September 2015
Water drought in Thailand, 14 September 2015

The World Meteorological Organization (WMO) estimates the rise in the global average surface temperature for 2015 to reach the symbolic and significant threshold of 1° Celsius above the pre-industrial 1880-1899 period, due to a combination of a strong El Niño and human-induced global warming. 

Headquarters of World Meteorological Organization (WMO)
Headquarters of World Meteorological Organization (WMO)
Martin Good/Shutterstock

A preliminary estimate based on data from January to October this year shows that the global average surface temperature for 2015 so far was around 0.73° Celsius above the 1961-1990 average of 14.0° Celsius.

This temperature tendency indicates that 2015 will very likely be the warmest year on record. The global average sea-surface temperature, which set a record last year, is likely to equal or surpass that record in 2015. 

The map shows how far this year's temperatures have deviated from the 1961-1990 average standard (at point 0), with increase in temperature shown through the red end of the spectrum
The map shows how far this year's temperatures have deviated from the 1961-1990 average standard (at point 0), with increase in temperature shown through the red end of the spectrum
WMO

According to data of the end of September 2015, the period between 2011-2015 was the world’s warmest on record, at about 0.57° Celsius above the average for the standard 1961-1990 reference period.

Calving glacier in Alaska, global warming in action
Calving glacier in Alaska, global warming in action

2015 is already the hottest year on record for South America, it comes close to Asia's 2007 hottest year record and is the second hottest for Africa and Europe.

As the Secretary-General of WMO Michel Jarraud says, those statistics are "all bad news for our planet".

Michel Jarraud, Secretary-General of WMO speaks during a press conference on the status of the global climate in 2015 and release of five-year report on the climate from 2011-2015, UN headquarters, Geneva, Switzerland, 25 November 2015
Michel Jarraud, Secretary-General of WMO speaks during a press conference on the status of the global climate in 2015 and release of five-year report on the climate from 2011-2015, UN headquarters, Geneva, Switzerland, 25 November 2015
EPA

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