VIIRS Ice Surface Temperature Product Captures Extreme Arctic Warming Event: On December 30, 2015, the central Arctic Ocean came almost reached the melting point, an extreme warming event caused by the influx of warm air from the south due to “Storm Frank”. The area near the North Pole was a similar temperature to Vienna and Chicago, and warmer than some parts of the U.S. Midwest. The temperature change from just a few days before was as high as 35° C in some areas. The enterprise VIIRS Ice Surface Temperature (IST) product captured this influx of warm air, as illustrated in Figure 1 and in the multi-day animation at http://goo.gl/F3dqAP. A Washington Post news article on the subject (there were many others) is at https://goo.gl/5O6pF7.