Earther:

Weather watchers may be more preoccupied of late with storms popping off in the Gulf of Mexico and the eastern Pacific, but a very unusual cyclone also spun up over the Arctic this week—and it could spell more bad news for the region’s ailing sea ice.

The Arctic is no stranger to cyclones, but the latest no-name storm, which emerged in the Kara sea north of Siberia, has garnered attention both for its size and timing. The storm’s central pressure (a measure of its strength) bottomed out Thursday at about 966 millibars, placing it par with the Great Arctic Cyclone of 2012, one of the most extreme summertime storms in recent memory. That storm reached a minimum central pressure 963-966 millibars, depending on which analysis you trust.

The new storm’s occurrence in June is also noteworthy. Big cyclones like this don’t normally start hitting the Arctic until late…