A night-time AWIPS image of the Suomi NPP VIIRS IR brightness temperature difference (BTD) “fog/stratus product” at 08:47 UTC or 1:47 AM local time (above) displayed an expansive area of fog and stratus cloud across much of the central and southern Rocky Mountains region on Read More

McIDAS images of GOES-13 0.63 µm visible channel data (above; click image to play animation) revealed the well-defined circulation of a mesocale vortex over far western Lake Superior on 28 November 2013. During the day, this mesovortex was slowly migrating southward toward the... Read More

An AWIPS-1 image of GOES-13 6.5 µm water vapor channel data (above) showed a large storm that was affecting much of the eastern US during the 26 November – 27 November 2013 period. Arctic air surging... Read More

The Mount Etna volcano — the tallest on the European continent, and one of the most active in the world — experienced an eruption on 23 November 2013. EUMETSAT Meteosat-10 0.75 µm visible channel images (above; click image to play animation) showed the explosive development of... Read More