~After July 23 more than 200K drop, on July 25 2018 there is a +421,497 Km2 difference in extent between 2018 and 2012.
~There are ample reasons to believe that 2012 extent will be caught up soon
of the Arctic may be quite cold while the majority of its lands and seas much warmer. Each year varies, 2012 Northwest passage opened very early, does not look so for 2018.
CAA current July 25 sea ice extent. 2018 trace is in black, 2012 light brown. There is at least 200,000 km2 of ice to be gone come September/October minima.The current lag with 2012 is about 200K.
Record extent drops are primed North of Alaska, July 22 to 25 JAXA loop suggests at least 200,000 km2 ready to vanish quite soon.