A comparison of AWIPS images of Suomi NPP VIIRS 0.8 µm Day/Night Band data with the corresponding 11.45 µm IR channel data (above) revealed a number of bright west-to-east oriented streaks — signatures of the aurora borealis — across northern portions of Alberta, Saskatchewan, and Manitoba at 08:36 UTC on... Read More
McIDAS images of GOES-13 0.63 µm visible channel data during the day and 3.9 µm shortwave IR data at night (above; click image to play animation) revealed a number of very large and dense smoke plumes from wildfires that were burning in parts of the northwestern US (primarily in Idaho)... Read More
Isaac reached Category 1 hurricane intensity mid-day on 28 August 2012. AWIPS images of 1-km resolution visible and IR data from the VIIRS, AVHRR, and MODIS instruments (below) showed curved banding features and convective bursts with overshooting... Read More
The Day-Night Band on VIIRS, flying on the Suomi/NPP satellite gave an excellent view of Isaac at strong tropical storm strength in the northern Gulf of Mexico shortly after midnight on August 28 2012. VIIRS is providing something unique to forecasters: Visible imagery at night that allows easy identification of overshooting... Read More
