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JAXA/ViSHOP extent finished the month of March “lowest for the date” once again:
However, since then the graph has been “flatlining” and extent is now above 2019 and rapidly approaching the rest of the recent pack.
At the end of March PIOMAS Arctic sea ice volume had increased to 21.21 thousand km³, still 2nd lowest for the date in the PIOMAS record:
Here is the corresponding PIOMAS sea ice thickness map for March 31st 2025:
For comparison purposes, here is the “near real time” CryoSat-2/SMOS merged thickness data from the Alfred Wegener Institute:
Here too is the version 3.0 thickness map from AWI, incorporating additional Sentinel 3 data:
All three maps show an area of thick ice along the Siberian coast of the Chukchi Sea again this year. The CryoSat-2 maps also show thick ice between the New Siberian Islands and the coast.
The PIOMAS map also shows an area of thick ice extending past the Canadian Arctic Archipelago into the Beaufort Sea. The Beaufort arm is conspicuous by its absence from the CryoSat-2 maps.
Watch this space!
