It is extent, not area (see here for the difference - but basically: the former provides a boolean value - ice or no ice - based on a threshold; both are useful measures during the melting season), and only on the Siberian side of the arctic, but yes.

As for anyone interested in following the impact of the rapidly unfolding catastrophe that is climate change on the cryosphere, the ASIF Forums are excellent and full of knowledgeable people.