Time lapse of the age of sea ice in the Arctic from week to week since 1990, updated through the March 2016 winter maximum. The oldest ice (9 or more years old) is white. Seasonal ice is darkest blue.

Video produced by the Climate.gov team, based on data provided by Mark Tschudi, University of Colorado-Boulder. Data processing by Hunter Allen. Editing provided by Bruce Sales. Narration by Deke Arndt, NCEI. Unless specifically stated otherwise, Climate.gov video productions can be freely re-used.

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