A sharp decline of Arctic sea ice at the beginning of September dropped the extent below 4.0 million square kilometers (1.54 million square miles) for only the second time since the beginning of the satellite record in 1979. At this point, NOAA and NASA are not making a definitive statement on what that minimum might be, as both wind, tide, and continual thermal melting may occur.
From the website => http://nsidc.org/arcticseaicenews/
From the website => http://nsidc.org/arcticseaicenews/