nsidc-data-sep7-2016

Discrepancy in NSIDC press release vs. data puts turning point for end of Arctic ice melt 3 days earlier

Yesterday, as covered by WUWT, NSIDC announced that Arctic sea ice melt had turned the corner on September 10th with a value of 4.14 million square kilometers: Source: http://nsidc.org/arcticseaicenews/2016/09/2016-ties-with-2007-for-second-lowest-arctic-sea-ice-minimum/ XMETMAN writes of his discovery of a discrepancy between what NSIDC announced yesterday, and what their data actually says. I’ve confirmed his findings by downloading the data myself…

n_stddev_timeseries-9-13-16

Arctic sea ice melt has turned the corner

I almost called this yesterday, but I needed more data to be sure. All of the data I’ve looked at agrees, Arctic sea ice is now on the upswing, and in a big way. Here is the plot from NSIDC: This graph from Wipneus shows the abruptness of the change: And the physics of ice…