Facts About the Arctic in June 2026

The JAXA/ViSHOP web site is currently undergoing maintenance, but here is how their 2 day average extent graph looked for June 2nd:

Extent was 3rd lowest in the JAXA record, behind 2016 and 2019.

The Alfred Wegener Institute’s sea ice concentration data shows that the Bering Sea is now largely free of sea ice, and the areas of open water in the Beaufort, Chukchi, East Siberian and Laptev Seas continue to expand:

The sea ice concentration map also shows open water in much of Lancaster Sound. Also apparent is the widespread presence of melt ponds along the southern part of the Canadian Arctic Archipelago. Here’s a closer, albeit somewhat cloudy, look:

“False colour” image of the Canadian Arctic Archipelago on June 3rd from the MODIS instrument on the Aqua satellite

Water is now flowing onto the fast ice covering the Laptev Sea off the delta of the River Lena:

“False colour” image of the Lena Delta on June 4th from the MODIS instrument on the Aqua satellite

Melt ponds are also starting to form on the fast ice further south.

[Update – June 8th]

The monthly summary of atmospheric conditions over the Arctic during May 2026 shows a continuing Beaufort high pressure area. Temperatures across the Arctic basin have been generally on the cool side, with “hotspots” in the Canadian Arctic Archipelago and East Siberian Sea:

The NSIDC monthly average extent graph for May shows 2026 second lowest once again, this time behind 2016:

It’s time to start taking a closer look at snow cover across the Arctic. Northern Hemisphere snow extent at a historical low for the date:

The Rutgers Snow Lab map shows negative anomalies across Siberia and northern Canada

Here too is the current GFS snow depth map:

[Update – June 11th]

The JAXA/ViSHOP web site is finally back in action. Two day averaged extent is currently 3rd lowest for the date:

In other news, bottom melt seems to have started at the location of both the ice mass balance buoys which have been drifting across the Beaufort Sea since last autumn:

In both cases the maximum ice thickness reached over the winter was around 1.5 meters.

The Beaufort high pressure regime seems to be changing. In addition to the two cyclones at the end of last month, on June 9th another cyclone reached a minimum central pressure of 984 hPa over the Beaufort Sea:

P.S. Heading over to the Arctic Sea Ice Forum to impart some of the above news I was greeted by this curious error message:

Watch this space!

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