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Category: Fog detection

River valley fog in Wisconsin, Minnesota and Iowa

A nighttime image (above) of the Suomi NPP VIIRS 11.45 µm – 3.74 µm Infrared brightness temperature difference (often referred to as the “fog/stratus product”) showed the development of narrow fingers of river valley fog in parts of southwestern Wisconsin, southeastern Minnesota and northeastern Iowa at 0735 UTC or 2:35... Read More

Advection of fog/stratus across western Lake Superior

A GOES-13 Visible (0.63 µm) image (above) showed a bank of fog and low stratus (FLS) covering much of the western portion of Lake Superior at 1600 UTC on 03 November 2015. Overlays of Metop ASCAT and Real-Time Mesoscale Analysis (RTMA) surface winds showed the long fetch of northeasterly winds... Read More