An AWIPS image of Suomi NPP VIIRS 0.7 µm Day/Night Band (DNB) data at 06:10 UTC or 2:10 AM local time on 30 September 2013 (above) revealed multiple signatures of mesospheric airglow waves over portions of the western Atlantic Ocean. There are three distinct packets of waves seen on the... Read More
McIDAS images of GOES-13 0.63 µm visible channel data (above; click image to play animation) showed a large area of fog and stratus that persisted for the entire day over the northwestern portion of Lake Superior on 25 September 2013. Morning fog over... Read More
The first accumulating snowfall of the season reported in the higher elevations of Colorado was on 19 September 2013 in the vicinity of Breckenridge Ski Resort, but a cold front associated with an upper-level trough of low pressure passing through the state on... Read More
GOES-15 0.63 µm visible channel images (above; click image to play animation) showed a distinct hazy plume streaming southeastward from the Katmai volcano area in Alaska on 22 September 2013. This was a signature of re-suspended volcanic ash — a deep layer of ash has remained on the ground near... Read More
