Seasonal Arctic summer ice extent still hard to forecast, study says

(Phys.org) —Scientists at the National Snow and Ice Data Centre (NSIDC), University College London, University of New Hampshire and University of Washington analysed 300 summer Arctic sea ice forecasts from 2008 to 2013 and found that forecasts are quite accurate when sea ice conditions are close to the downward trend that has been observed in Arctic sea ice for the last 30 years. However, forecasts are not so accurate when sea ice conditions are unusually higher or lower compared to this trend.

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