Temperatures at the North Pole rose above freezing on Wednesday — 20oC above the mid-winter norm and the latest abnormality in a season of extreme weather events.
Canadian weather authorities blamed the temperature spike on a freak depression which has already brought record Christmas temperatures to North America and lashed the UK with winds and floods. The deep low pressure area is currently looming over Iceland and churning up hurricane force 138kph winds and 9m waves in the North Atlantic Ocean, while dragging warm air northwards.
“It’s a very violent and extremely powerful depression, so it’s not surprising that hot temperatures have been pushed so far north,” Canadian government meteorologist Nathalie Hasell said. “This deep depression has pushed hot air as far as the North Pole, where temperatures are at least 20 degrees above normal, at around freezing point, between zero and two degrees.”
Photo: AFP
US scientists from the North Pole Environmental Observatory said that the temperatures had climbed suddenly.
An Arctic monitoring point 300km from the Pole that had been recording minus-37oC on Monday had shot up to minus-8oC by Wednesday, senior researcher James Morison said.
The polar region is the area of the world that has seen the most profound effects of climate change in recent decades.
Average year-round temperatures in the Arctic are 3oC higher than they were in the pre-industrial era, snowfall is heavier, winds are stronger and the ice sheet has been shrinking for 30 years.
However, it would be hasty to pin this week’s extreme weather directly on the human-induced climate change phenomenon, rather than on a discreet anomaly.
Hasell said that Canada has not kept complete records of North Pole weather, but that it was nonetheless “bizarre” to see such high temperatures on the ice pack in the middle of its long night.
After tormenting the North Atlantic, the depression is expected to head towards Russia’s Siberia, where the inhabitants can expect a heatwave of sorts.
In Canada, the capital of the Nunavut territory of the native Inuit, Iqaluit, celebrated a relatively balmy Christmas when temperatures rose to minus-4.6oC — up from an average of minus-21oC.
Baffin Island, better known for its snow and ice, experienced unheard of rainfall in December, Canadian Ministry of the Environment spokesman David Phillips said.
“It’s doubtless the El Nino effect, venturing further north,” he said, referring to a tropical Pacific weather phenomenon that reoccurs every four to seven years in more southerly climes.
Last year’s El Nino is regarded as perhaps the most powerful in a century and, combined with the effects of climate change, it has generated storms, floods and droughts in Central America and beyond.
Dozens of Americans were killed in rare, late season tornados in the southern US before Christmas, and then the hot El Nino air was dragged north along the Atlantic coast bringing T-shirt weather to normally frigid cities.
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