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Arctic Sea Ice Extent: September 15, 2022

September 15, 2022: Over the past week, the sea ice has now decreased by a bit of a higher rate from last week of 4.00%, from the level on 09/08/2022 of4.851 M km2 to 4.657 M km2 for this week.   We should be close to bottoming out for the year and at this point we are still just below the 2021 sea ice extent level (4.781 M km2) for the same day in 2021, and so it will continue to be interesting to see what goes on over the next week or so.

Plot Compiled by: Howard J. Diamond, PhD; Climate Science Program Manager at NOAA’s Air Resources Laboratory
Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).

The negative sea ice anomaly this week was greater from the anomaly of -1.335 M km2 on 09/08/2022 to a more negative anomaly of -1.538 M km2 on 09/15/2022 and so more anomalously negative for this time of year. 

Plot Compiled by: Howard J. Diamond, PhD; Climate Science Program Manager at NOAA’s Air Resources Laboratory
Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).