Icy Arctic Mid February

Upward trend continues ((despite rising CO2)) …

Science Matters

Needless to say, “Ice Free” never happened.  It is true that in the last ten years, August and September monthly extents declined slightly, but the other ten months have increased more than twice as much.  So the over all trend has been slightly upward.

Here is the current image from NASA:

Figure 2: Color-coded map of the daily sea ice concentration in the Northern Hemisphere for the indicated recent date along with the contours of the 15% edge during the years with the least extent of ice (in red) and the greatest extent of ice (in yellow) during the period from November 1978 to the present. The extents in km2 for the current and for the years of minimum and maximum extents are provided below the image. The different shades of gray over land indicate the land elevation with the lightest gray being the highest elevation. Source: NASA

For comparison…

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