October 9, 2025: The Arctic sea ice has experienced a smaller increase rate for this week of 7.32% (last week’s increase rate was 8.96%), from the level on 10/02/2025 of 5.291 M km2 to 5.709 M km2 for this week.  The sea ice extent for 2025 to date remains in 9th place for the lowest sea ice extent for this day of the […]

October 2, 2025: The Arctic sea ice has experienced a larger increase rate for this week of 8.96% (last week’s increase rate was 2.68%), from the level on 09/25/2025 of 4.817 M km2 to 5.291 M km2 for this week.  The sea ice extent for 2025 to date has now risen one more spot to 9th place for the lowest sea ice extent for

September 25, 2025: The Arctic sea ice has experienced a larger increase rate for this week of 2.68% (last week’s increase rate was 0.36%), from the level on 09/18/2025 of 4.688 M km2 to 4.817 M km2 for this week. So, we are now definitely in the sea ice increase season. The sea ice extent for 2025 to date has now risen by two

September 18, 2025: Arctic sea ice has experienced another very small increase rate for this week of 0.36% (last week’s increase rate was 0.09%), from the level on 09/11/2025 of 4.671 M km2 to 4.688 M km2 for this week.  So, it looks like we have probably reached that transition point to the sea ice increase season. The sea ice extent for 2025

September 11, 2025: (Eight days since the last post) the Arctic sea ice has experienced a very small increase rate for this week of 0.09% (last week’s decrease rate was 2.95%), from the level on 09/03/2025 of 4.667 M km2 to 4.671 M km2 for this week.  The sea ice extent for 2025 to date has now dropped one spot to 11th place

September 3, 2025: (Only six days since the last post) the Arctic sea ice has experienced a lesser decrease rate for this week of 2.95% (last week’s decrease rate was 5.48%), from the level on 08/28/2025 of 4.809 M km2 to 4.667 M km2 for this week.  The sea ice extent for 2025 to date remains in 10th place for the lowest sea

Arctic sea ice has experienced a lesser decrease rate for this week of 5.48% (last week’s decrease rate was 6.37%), from the level on 08/21/2025 of 5.088 M km2 to 4.809 M km2 for this week.  The sea ice extent for 2025 to date has now slipped two more places to 10th place for the lowest sea ice extent for this day of

August 21, 2025: The Arctic sea ice has experienced a lesser decrease rate for this week of 6.37% (last week’s decrease rate was 7.25%), from the level on 08/14/2025 of 5.434 M km2 to 5.088 M km2 for this week.  The sea ice extent for 2025 to date has slipped to 8th place for the lowest sea ice extent for this time of

August 14, 2025: The Arctic sea ice has experienced a greater decrease rate for this week of 7.25% (last week’s decrease rate was 5.64%), from the level on 08/07/2025 of 5.859 M km2 to 5.434 M km2 for this week.  The sea ice extent for 2025 to date has slipped to 4th place for the lowest sea ice extent for this time of year

August 7, 2025: The Arctic sea ice has experienced a much lesser decrease rate for this week of 5.64% (last week’s decrease rate was 13.73%), from the level on 07/31/2025 of 6.209 M km2 to 5.859 M km2 for this week.  The sea ice extent for 2025 to date remains in 2nd place for the lowest sea ice extent for this time of year