Northern Hemisphere temperature anomaly, 17 November 2016. Arctic temperatures are about 20 degrees Celsius higher than normal, above 80 degrees North Latitude. Graphic:

By Chris Mooney and Jason Samenow
17 November 2016

(Washington Post) – Political people in the United States are watching the chaos in Washington in the moment. But some people in the science community are watching the chaos somewhere else — the Arctic.

It’s polar night there now — the sun isn’t rising in much of the Arctic. That’s when the Arctic is supposed to get super-cold, when the sea ice that covers the vast Arctic Ocean is supposed to grow and thicken.

But in fall of 2016 — which has been a zany year for the region, with multiple records set for low levels of monthly sea ice — something is totally off. The Arctic is super-hot, even as a vast area of cold polar air has been displaced over Siberia.

At the same time, one of the key indicators of the state of the Arctic — the extent of sea ice covering the polar ocean — is at a record low. The ice is freezing up again, as it always does this time of year after reaching its September low, but it isn’t doing so as rapidly as usual.

In fact, the ice’s area is even lower than it was during the record-low 2012:

Arctic sea ice extent, 16 November 2016. Graphic: NSIDC

Twitter’s expert Arctic watchers also are stunned. Zack Labe, a PhD student at the University of California at Irvine who studies the Arctic, tweeted out an image on Wednesday from the Danish Meteorological Institute showing Arctic temperatures about 20 degrees Celsius higher than normal above 80 degrees North Latitude.

“Today’s latest #Arctic mean temperature continues to move the wrong direction …. up. Quite an anomalous spike!,” Labe wrote. [more]

The North Pole is an insane 36 degrees warmer than normal as winter descends



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