Temperatures 20 or even 30 degrees above seasonal averages have been recorded in Greenland in recent days, with positive temperatures in many parts of the vast arctic territory, the Danish meteorological institute, DMI, said on Wednesday.

In the capital, Nuuk, it was 13 ° C on December 20 when the average temperature is usually -5.3 ° C while in Qaanaaq, in the north, the mercury rose to 8.3 ° C. for a usual temperature of -20.1 ° C.

The foehn, a hot wind blowing across the island

“One of the reasons we see high temperatures is the foehn weather phenomenon,” a warm wind that's fairly common across the world's largest island, explained DMI climatologist Caroline Drost Jensen.

“It's a bit unusual for it to happen over such a large area and simultaneously over a long period of time,” as it spans most of the west coast and part of the east coast, she said.

These temperatures, however, are not without precedent, according to the meteorologist: neither the absolute records, nor the records of the last thirty years for a month of December have been broken.

An episode of "massive" melting

In the Arctic, warming is three times faster than elsewhere in the world.

“Global warming underlies the high temperatures that we are currently seeing in Greenland, and that they are generally higher (…) than in the past”, Caroline Drost Jensen summarized.

Our dossier on Greenland

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During the summer, a heat wave with temperatures more than ten degrees above seasonal norms had caused an episode of "massive" melting of the ice sheet in Greenland.

Losses of eight billion tonnes of ice every day, double the average rate during the summer period, had been recorded.

On August 14, in another alarming signal, it had also rained at the summit of the highest point in Greenland (3,216 meters), never before seen.

Did you see ?

COP26: Four-ton iceberg shipped to Glasgow to raise awareness of melting ice

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Global warming: It rained at the top of Greenland, unprecedented

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