Photograph: © SAF — Coastal Care
Devastating weather patterns and increasing temperatures will last into the foreseeable future as global warming is expected to continue, the United Nations World Meteorological Organization (WMO) confirmed today as it explained that 2014’s ranking as the “hottest year on record” is part of a larger climate trend.
“The overall warming trend is more important than the ranking of an individual year,” WMO Secretary-General Michel Jarraud clarified today in a press release. “Analysis of the datasets indicates that 2014 was nominally the warmest on record, although there is very little difference between the three hottest years.”
High sea temperatures, the UN agency has said, have contributed to exceptionally heavy rainfall and floods in many countries and extreme drought in others. Twelve major Atlantic storms battered the United Kingdom in early months of 2014, while floods devastated much of the Balkans throughout May. The monthly precipitation over the Pacific side of western Japan for August 2014, meanwhile, was 301 per cent above normal – the highest since area-averaged statistics began in 1946.
At the same time, crippling droughts have struck large swathes of the continental United States while Northeast China and parts of the Yellow River basin did not reach half of the summer average, causing severe drought.
The diverse climate impact which afflicted nations around the planet throughout 2014 were, in fact, consistent with the expectation of a changing climate, Mr. Jarraud continued.
In addition, he warned that 14 of the 15 hottest years recorded have all been in the 21st century, adding the UN agency’s expectation that global warming would continue “given that rising levels of greenhouse gases in the atmosphere and the increasing heat content of the oceans are committing us to a warmer future.”
Around 93 per cent of the excess energy trapped in the atmosphere by greenhouse gases from fossil fuels and other human activities ends up in the oceans, the WMO press release noted, as it pointed out that global sea-surface temperatures had reached “record levels” in 2014, even in the absence of a “fully developed El Niño” weather pattern. High temperatures in 1998 – the hottest year before the 21st century – occurred during a strong El Niño year.
The WMO has released its latest findings regarding its global temperature analysis in advance of climate change negotiations scheduled to be held in Geneva from 8 to 13 February. These talks are expected to help pave the way towards the December 2015 conference scheduled in Paris, France, where a new universal UN-backed treaty on climate change will be adopted.
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NASA, NOAA Find 2014 Warmest Year in Modern Record, NASA (01-16-2015)
