Where sea ice should already be present, there are just vast swaths of open water. The cause: storminess and massive inflows of warmth.
With winter descending on the Arctic, sea ice should be expanding rapidly in the Bering and Chukchi seas off Alaska and eastern Siberia. But instead of sea ice, satellite sensors see thousands of square miles of open water stretching between the Alaska and Russia.
“It’s the lowest ice extent on record for this time of year for the combined basins,” accor