(1) Historical ice data
Historical data are displayed in the SIGRID format. Principally consisting of ice charts, these data can be searched and displayed as GIF images. The SIGRID data can also be downloaded.
The published AARI data includes the following.
* Annual and monthly ice charts
1) Ice charts for each August, 1953-1990
2) Ice charts for each January-December, 1992
* Statistical analyses
Ice charts based on monthly averages, maximums and minimums, 1953-1990
Ice charts based on data from the National Ice Center (NIC) are also published.
(2) Operation Data
Operation data are images of ice charts, provided up-to-the-minute before the images are digitalized.
* Ice maps produced weekly
* Forecasts of ice movement and tides/currents for the following six days