Arctic wide sea ice extent has been running near the lowest in the 48-year satellite record not only this spring but much of the time since mid-November (Fig. 1). Based on National Snow and Ice Data Center analysis, the October 2025 through May 2026 average daily sea ice extent was the lowest since 1978-79 (the start of the daily satellite estimates of sea ice extent).
Fig. 1 Arctic-wide daily sea ice extent October 2025 through May 30, 2026. Data from the NSIDC Sea Ice Index…more
Source alaskaclimate.substack.com
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