Why is Antarctic sea ice growing?

Why is Antarctic sea ice growing?
Recently NASA reported that this year's maximum wintertime extent of Antarctic sea ice was the largest on record, even greater than the previous year's record. http://phys.org/news/2013-10-antarctic-sea-ice.html#nwlt

Related articles

• Antarctic sea ice may have reached both record extent AND volume!
• Why is Antarctic sea ice expanding?
• NASA data shows growth in Antarctic winter sea ice
• NASA Announces New Record Growth Of Antarctic Sea Ice Extent
• Stunner: Germany's Alfred Wegener Institute Confirms Antarctic Sea Ice May Have Reached Record VOLUME!
• Some Good News - Record winter ice cover in Antarctica
• Antarctic Sea Ice Didn't Get The Memo That It Was Supposed To Melt
• Why is Antarctic sea ice growing?
• Change in weather patterns suspected for another record Antarctic Sea Ice extent
• Antarctic sea ice keeps setting new record-high levels - Scientists puzzled