September daily extents are now fully reported and the 2021 September monthly results can be compared with those of the previous 14 years.  MASIE showed 2021 at 5.2M km2  and SII was close behind, reaching 4.9M for the month.  Analysis below shows that the 2021 Minimum was 1/2 Wadham ( 1M km2) higher than the … Continue reading Plentiful Arctic Ice Sept. 2021