An AWIPS image of the 1-km resolution POES AVHRR 11.0-3.7 µm “fog/stratus product” (above) revealed a very interesting banded structure in the fog and stratus features (yellow to red color enhancement) that covered a large part of the western Great Lakes region at 07:49 UTC on 16 January 2010. With stagnant high... Read More

McIDAS images of GOES-12 and GOES-14 visible channel data (above) showed that large chunks of ice (known as “ice fields”) were drifting north-northeastward across the western portion of Lake Erie on 14 January 2010. Southerly to southwesterly winds were beginning to increase on that day, helping to move the ice features across... Read More

The Galeras volcano in Colombia (located in the Andes Mountains near Colombia’s border with Ecuador) experienced an explosive eruption around 00:43 UTC on 03 January 2010 (Washington VAAC advisory messages). McIDAS images of the GOES-11, GOES-14, and GOES-12 10.7 µm IR (top 3 panels) and 6.7/6.5 µm water vapor channel data (bottom 3 panels)... Read More

AWIPS images of the 1-km resolution MODIS 11.0 µm IR and the 4-km resolution GOES-12 10.7 µm IR channel data (above) showed that large portions of northwestern Minnesota and eastern North Dakota exhibited surface IR brightness temperatures colder than -40º F (-40º C) at 08:45 UTC (2:45 am local time) on... Read More