Category: VIIRS
Satellite detection of wet ground surfaces
Much of the central US had been experiencing prolonged severe to exceptional drought conditions during the latter half of 2012, leaving the soil surfaces very dry. A sequence of Suomi NPP VIIRS 11.45 µm IR, MODIS 11.0 µm IR, and POES AVHRR 12.0 µm IR images... Read More
Snow cover across southern Manitoba, northeastern North Dakota and northwestern Minnesota
The first significant winter storm of the season over the north-central US and south-central Canada produced snowfall amounts as high as 14 inches over northwestern Minnesota and 4 inches over northeastern North Dakota on 04 October 2012. It is interesting to note that this snow event occurred 2 days after that same region... Read More
Ship tracks in the East Pacific Ocean, and valley fog in British Columbia
A comparison of AWIPS images of Suomi NPP VIIRS 0.7 µm Day/Night Band and 11.45 µm IR channel data at 11:32 UTC (4:32 AM local time) on 06 October 2012 (above) demonstrated the value of using the Day/Night Band as “visible imagery at... Read More