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Arctic Ice Charts

Based on U.S. National Ice Center's Arctic daily and weekly analyses, various ice charts are produced to represent ice conditions in a graphical format. Ice conditions are based on ice concentrations, stage of development (ice type / thickness), and 30 day ice concentration changes.

Area
Description
Display / Format

Thumbnail image 
                 of current daily marginal ice zone chart
Daily Marginal Ice Zone

A graphical representation of the daily ice analysis that depicts the marginal ice zone (ice concentration up to 80%) in yellow and pack ice (ice concentration 80% and greater) in red.

Chart

View
PNG
Archive

Animation

30 Day 60 Day 90 Day

Thumbnail image 
                 of current weekly ice concentration chart
Weekly Ice Concentration

A graphical representation of ice concentrations based on the weekly ice analysis.


Thumbnail image 
                 of current weekly stage of development chart
Weekly Stage of Development

A graphical representation of the estimated stage of development/ice thickness based on the weekly ice analysis.


Thumbnail image 
                 of current weekly 30-day ice change chart
30-Day Ice Change

A graphical representation of the change in sea ice extent over the last 30 Days.


Thumbnail image 
                 of current daily 48hr forecast chart
Arctic Daily Forecast Charts

A graphical representation of the daily ice analysis that depicts ice free in white, marginal ice zone (ice concentration up to 80%) in yellow, and pack ice (ice concentration 80% and greater) in pink. The graphic also displays the 48-hour forecast ice edge line. Both products are created to cover the entire Arctic based on region, Atlantic and Pacific.

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