Breaking News!
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As of October 13, Antarctic sea-ice extent is more than 5.0 standard deviations below the 1991-2020 daily average.
Under "normal" circumstances, the likelihood of this happening just by chance would be about 1-in-5,800,000.
September #Arctic sea ice extent since 1850 - comparison now updated through 2026
Please note that the reconstruction (SIBT1850 v2) is for the 15th of September, while the NSIDC is a monthly mean. You can read more about this data set at doi.org/10.7265/jj4s... via @nsidc.bsky.social.