Alaska Climate Research Center

The Alaska State Climate Center
The Alaska State Climate Center
The Alaska State Climate Center
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Arctic Sea Ice

Arctic Sea Ice Extent: June 2, 2023

June 2 2023:  Over the past week, the sea ice had a decrease, since last week, by a higher rate of 3.96%, from the level on 05/25/2023 of 12.398 M km2 to 11.907 M km2 for this week.  The negative sea ice anomaly this week was lower than the anomaly of -0.391 M km2 on 05/25/2023 to a greater negative anomaly of -0.582 M …

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Arctic Sea Ice Extent: May 25, 2023

May 25 2023:  Over the past week, the sea ice had a decrease, since last week, by a higher rate of 3.04%, from the level on 05/18/2023 of 12.787 M km2 to 12.398 M km2 for this week. The negative sea ice anomaly this week was slightly lower than the anomaly of -0.317 M km2 on 05/18/2023 to a greater negative anomaly of -0.391 …

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Arctic Sea Ice Extent: May 18, 2023

May 18 2023:  Over the past week, the sea ice decreased by a slightly lower rate of 1.96%, from the level on 05/11/2023  of 13.042 M km2 to 12.787 M km2 for this week. The negative sea ice anomaly this week was slightly higher than the anomaly of -0.403 M km2 on 05/11/2023 to a lesser negative anomaly of -0.317 M km2 on 05/18/2023 and …

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Arctic Sea Ice Extent: May 11, 2023

May 11 2023:  Over the past week, the sea ice had a decrease, since last week, by a slightly higher rate of 2.78%, from the level on 05/04/2023  of 13.414 M km2 to 13.042 M km2 for this week. The negative sea ice anomaly this week was slightly lower than the anomaly of -0.391 M km2 on 05/04/2023 to a greater negative anomaly …

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Arctic Sea Ice Extent: May 4, 2023

May 4 2023:  Over the past week, the sea ice had a decrease, since last week, by a slightly lower rate of 2.03%, from the level on 04/27/2023  of 13.690 M km2 to 13.414 M km2 for this week.  The negative sea ice anomaly this week was slightly higher than the anomaly of -0.472 M km2 on 04/27/2023 to a lesser negative anomaly …

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Arctic Sea Ice Extent: April 20, 2023

The negative sea ice anomaly this week was higher than the anomaly of -0.692 M km2 on 04/13/2023 to a lesser negative anomaly of -0.477 M km2 on 04/20/2023 and so less anomalously negative for this time of year.

Arctic Sea Ice Extent: April 13, 2023

The negative sea ice anomaly this week was higher than the anomaly of -0.940 M km2 on 04/06/2023 to a lesser negative anomaly of -0.692 M km2 on 04/13/2023 and so less anomalously negative for this time of year.