Latest News

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.

Iceberg D-32 Has Calved from the Western Side of the Amery Ice Shelf

The U.S. National Ice Center (USNIC) has confirmed that iceberg D-32 has calved from the Amery Ice Shelf in the Amery Region of Antarctica. As of October 19, D-32 was centered at 68° 25' South and 70° 35' East and measured 10 nautical miles on its longest axis and 9 nautical miles on its widest axis. D-32 likely calved on or around October 14, and has drifted 14 nautical miles away from the shelf since then.

Arctic Sea Ice at Minimum Extent

The U.S. National Ice Center (USNIC) has determined the 2022 minimum Arctic sea ice extent occurred in mid-September 2022 with an area of 4.72 million square kilometers based on analysis from the USNIC’s Interactive Multisensor Snow and Ice Mapping System (IMS), used in the Multisensor Analyzed Sea Ice Extent (MASIE) product, jointly created with the National Snow and Ice Data Center (NSIDC).

Call for Abstracts for AMS 2023 Session Topic: “Advancements in Operational and Scientific Sea Ice Applications”

U.S. National Ice Center (USNIC) requests all cryosphere professionals to consider submitting an abstract to the USNIC’s session, “Advances in Operational and Scientific Sea Ice Applications,” at the American Meteorological Society (AMS) 2023 annual meeting, January 8-12, 2023 in Denver (and online). All are encouraged to consider an oral presentation.


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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.

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