Sea Ice Prediction Network
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2019 Sea Ice Outlook Interim Post-Season Report
The 2019 Sea Ice Outlook Interim Post-Season Report is now available. The September monthly averaged sea ice extent at the end of the 2019 summer melt season was 4.32 million square kilometers. This is the third lowest in the satellite record that began in 1979.
This interim report is intended as a quick postseason update that summarizes how the outlooks did in comparison to the observed September monthly mean extent. A full post-season report, to be published in February 2020, will include an in-depth analysis of factors impacting sea ice this past summer, further discussion about the outlooks, comments on regional observation, predicted spatial fields, Antarctic contributions, and a summary from the Sea Ice Drift Forecast Experiment (SIDFEx).
2019 August Sea Ice Outlook Report Available
The 2019 August Sea Ice Outlook (SIO) report is now available online. The Sea Ice Outlook, an effort managed by the Sea Ice Prediction Network–Phase 2 (SIPN2), provides an open process for those interested in Arctic sea ice to share ideas. The monthly reports contain a variety of perspectives—from advanced numerical models to qualitative perspectives from citizen scientists. The Sea Ice Outlook provides an open process for those interested in Arctic sea ice to share predictions and ideas; the Outlook is not an operational forecast.
A record number of 42 Pan-Arctic outlook contributions were received for the August report. Of those contributions 7 also included pan-Antarctic predictions, 11 included regional predictions for Alaskan waters, and 5 were for the Hudson Bay region.
For the August report the pan-Arctic median value for September 2019 sea-ice extent is 4.22 million square kilometers and with quartile values of 4.0 and 4.4 million square kilometers.Although pan-Arctic sea-ice extent was tracking very close to the record minimum of 2012 from mid-June through mid-August, the rate of melt slowed down in late August. A record minimum extent is not expected for 2019, unless late summer storm activity consolidates ice extent.
SIPN Data Portal
The SIPN Data Portal, a contribution to SIPN2 and the Sea Ice Outlook, displays analysis of sea ice forecasts and compares them with observations.
Sea Ice Data at NSIDC
Through the National Snow and Ice Data Center (NSIDC), SIPN manages a comprehensive list of datasets useful for sea ice prediction.
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