NSIDC is pleased to announce that the "Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness Temperatures" data set has been updated to Version 3. Version 3 updates the record through the 2012 melt season utilizing brightness temperatures from the SSMIS instrument aboard the DMSP F17 satellite.
Other processing changes are included in the Version 3 release which improve upon the Version 2 data. For a full description of these changes see the Version History.