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Arctic Sea Ice Extent: October 20, 2022

October 20, 2022: Over the past week, the sea ice has continued to increase at a higher rate from last week of 10.66%, from the level on 10/13/2022 of 6.158 M km2 to 6.893 M km2 for this week.

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 less than the anomaly of -1.802 M km2 on 10/13/2022 to a less negative anomaly of -1.724 M km2 on 10/20/2022 and so less 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/).