Among the ice charts I peek at every day is the one from DMI (Danish Meteorological Institute).
Today there was a new Sea Ice Extent Chart with this text at the bottom:
The plot above replaces an earlier sea ice extent plot, that was based on data with the coastal zones masked out.
That implied that the previous sea ice extent estimates were underestimated.
The new plot displays absolute sea ice extent estimates.
Arctic Sea Ice Extent supposedly bottomed out around 2.5 million sq km according to the old chart posted by DMI for months.
Imagine my surprise when today the Sea Ice Extent bottomed out at 4 million sq km. and the chart looked like
Maybe that explains why Arctic-roos site isn’t showing any charts.