Latest News
Great Lakes Reaches Maximum Ice Coverage for 2022-2023 Season
The U.S. National Ice Center (USNIC) has determined the Great Lakes experienced maximum ice coverage for the 2022-2023 ice season on February 04, 2023 at approximately 23.35% coverage. This maximum is significantly lower than the average maximum of 53%¹ and occurred approximately one month earlier than normal.
Iceberg A-80D Has Calved from Iceberg A-80A in the Weddell Sea
The U.S. National Ice Center (USNIC) has confirmed that iceberg A-80D (figure 1, below) calved from iceberg A-80A in the Weddell Sea. As of February 24, A-80A was centered at 72°02' South and 59°17' West and measured 12 nautical miles on its longest axis and 8 nautical miles on its widest axis. A-80D was centered at 72°11' South and 59°20' West and measured 7 nautical miles on its longest axis and 5 nautical miles on its widest axis. The initial break was seen in satellite imagery on 24 February. A-80A first calved from the Larsen-D Ice Shelf in November 2022 along with A-80B and A-80C. A-80B and A-80C are no longer large enough to track
Iceberg A-81 Has Calved from the Brunt Ice Shelf in the Weddell Sea
The U.S. National Ice Center (USNIC) has confirmed that iceberg A-81 calved from the Brunt Ice Shelf in the Weddell Sea. As of January 24, A-81 was centered at 75°39' South and 26°47' West and measured 28 nautical miles on its longest axis and 25 nautical miles on its widest axis. The initial break was seen in satellite imagery on 24 January.
Icebergs A-80A, A-80B, and A-80C Have Calved from the Southern End of the Larsen-D Ice Shelf in the Weddell Sea
The U.S. National Ice Center (USNIC) has confirmed that the three new A-80 icebergs calved at the same time from a larger calving event of the Larsen-D Ice Shelf in the Weddell Sea. As of November 29, A-80A was centered at 71°49' South and 60°13' West and measured 19 nautical miles on its longest axis and 9 nautical miles on its widest axis, A-80B was centered at 71°28' South and 60°20' West and measured 14 nautical miles on its longest axis and 5 nautical miles on its widest axis, A-80C was centered at 71°35' South and 60°29' West and measured 10 nautical miles on its longest axis and 2 nautical miles on its widest axis. The initial break was seen in satellite imagery on 27 November.
Featured Products
Antarctic Ice Shelf
Antarctic ice shelf has been updated to the 2022 version and is available in GIS shapefile format.
Ross Outlook
The seasonal Ross Outlook has been produced for the 2021-2022 ice season and is now available. Click here to access.
Regional Synopsis
The U.S. National Ice Center has developed a new series charts. Regional Synopsis charts breaks out each region of the Arctic and Antarctic into a high quality regional charts along with an environment synopsis write-up. Charts will be updated weekly. Please take a look.
Animated Charts
Added animated charts of our Arctic and Antarctic MIZ, and IMS snow and ice charts.
Trivariate Products
A comprehensive look at ice conditions over a period time, from a single year to a comparison set starting from 2007. Produced for the Arctic and Antarctic.
