Another month has passed and so here is the updated Arctic sea ice volume graph as calculated by the Pan-Arctic Ice Ocean Modeling and Assimilation System (PIOMAS) at the Polar Science Center:
November has been an excellent month for Arctic sea ice. With 4226 km3, it recorded the highest volume increase for November in the 2007-2018 period, well above the average of 3491 km3. The reasons for this are obvious: rapid growth in ice extent and relatively low temperatures (more on that below). This means that 2018 has dropped from 4th lowest to 6th lowest, and the gap with leader 2016 has grown by a whopping 1322 km3!
Here's how the differences with previous years have evolved from last month:
Because all the trend lines go up fast around this time of year, I'm posting another Wipneus graph that visualises PIOMAS volume anomaly, showing 2018's massive increase more clearly:
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