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Archive: Dec 2012

Ice motion in the Bering Sea off the coast of Alaska

A large and intense area of low pressure was located in the Gulf of Alaska on 18 December 2012 (above), which was forecast to produce areas of hurricane-force winds west and southwest of the storm center.A comparison of AWIPS images of Suomi NPP VIIRS 0.7 µm Day/Night Band images (below)... Read More

Aurora borealis as seen on VIIRS Day/Night Band imagery

A striking display of the aurora borealis was seen on AWIPS images of Suomi NPP VIIRS 0.7 µm Day/Night Band data across Alaska (above) and across northern Canada (below) during the night-time (pre-dawn) hours on 17 December 2012. The corresponding VIIRS 11.45 µm IR channel images are also shown, to... Read More