Alaska Climate Research Center
May 9, 2024: The sea ice has continued to decrease this week at a lower rate of 1.44% (as opposed to last week’s decrease rate of 3.15%), from the level on 05/02/2024 of 13.374 M km2 to 13.181 M km2 for this week. The negative sea ice anomaly this week was lower than the anomaly of -0.251 M km2 on 05/02/2024 to a lesser […]
Arctic Sea Ice Extent: May 9, 2024 Read More »
May 2, 2024: The sea ice has continued to decrease this week at a higher rate of 3.15% (as opposed to last week’s decrease rate of 1.95%), from the level on 04/25/2024 of 13.809 M km2 to 13.374 M km2 for this week. The negative sea ice anomaly this week was greater than the anomaly of -0.156 M km2 on 04/24/2024 to a greater
Arctic Sea Ice Extent: May 2, 2024 Read More »
Spring has sprung in Alaska and the seasonal snow pack is declining rapidly or already gone in most of the state. The time lapse below shows the view from the ACRC webcam looking south towards the Alaska Range. The animation loops through one image a day from April 15 to April 30 for 2024 (top)
End of snow season 2023/24 Read More »
The tripod on the Tanana river at Nenana fell over on April 27, 2024, at 05:18 am, triggering the clock that ends this year’s Nenana Ice Classic. The long standing tradition of betting on the day and time of the river break up at Nenana has produced a long and unique climatological time series of river
Break up on the Tanana Read More »
April 25, 2024: The sea ice has decreased this week at a slightly higher rate of 1.95% (as opposed to last week’s decrease rate of 1.61%), from the level on 04/18/2024 of 14.084 M km2 to 13.809 M km2 for this week. And so the change to the sea ice melt season is now firmly in place. The negative sea ice anomaly this
Arctic Sea Ice Extent: April 25, 2024 Read More »
April 18, 2024: The sea ice has decreased this week at a slightly higher rate of 1.61% (as opposed to last week’s decrease rate of 1.18%), from the level on 04/11/2024 of 14.314 M km2 to 14.084 M km2 for this week. The change to the sea ice melt season is now firmly in place. The negative sea ice anomaly this week was
Arctic Sea Ice Extent: April 18, 2024 Read More »
April 11, 2024: The sea ice has decreased this week at a rate of 1.18% (as opposed to last week’s decrease rate of 3.07%), from the level on 04/04/2024 of 14.485 M km2 to 14.314 M km2 for this week. The change to the sea ice melt season seems to have taken hold. The negative sea ice anomaly this week was less than
Arctic Sea Ice Extent: April 11, 2024 Read More »
April 4, 2024: The sea ice extent has decreased this week at a rate of 3.07% (as opposed to last week’s increase rate of 0.39%), from the level on 03/28/2024 of 14.944 M km2 to 14.485 M km2 for this week. So, the change to the sea ice melt season may finally have taken hold. The current sea ice extent is still about
Arctic Sea Ice Extent: April 4, 2024 Read More »
March 28, 2024: The sea ice has increased this week at a small rate of 0.39% (as opposed to last week’s decrease rate of 0.61%), from the level on 03/21/2024 of 14.885 M km2 to 14.944 M km2 for this week. The change to the sea ice melt season we have been waiting for is still a bit of a roller coaster. The current
Arctic Sea Ice Extent: March 28, 2024 Read More »
March 21, 2024: The sea ice has decreased this week at a small rate of 0.61% (as opposed to last week’s increase rate of 1.28%), from the level on 03/14/2024 of 14.976 M km2 to 14.885 M km2 for this week. Perhaps this is now the change to the sea ice melt season we have been waiting for. As an aside, the current sea
Arctic Sea Ice Extent: March 21, 2024 Read More »