A comparison of AWIPS images of MODIS 0.65 µm visible channel data and a MODIS false-color Red/Green/Blue (RGB) image (created using the MODIS 0.65 µm visible and the 2.1 µm snow/ice channel images) revealed a swath of snow cover from southwestern Virginia all... Read More

McIDAS images of GOES-13 and GOES-12 3.9 µm shortwave IR (IR channel 2) data (above) revealed the “hot spot” (yellow to red color enhancement) due to the eruption of the Tungurahua volcano in the South American country of Ecuador on 04 December 2010. The summit of the volcano is located south-southeast... Read More

The first -40º F (-40º C) or colder surface air temperatures of the 2010-2011 winter season occurred on 30 November 2010 (the last day of the 2010 Atlantic Ocean Tropical Cyclone Season). A McIDAS image of NOAA-15 AVHRR 10.8 µm IR channel data (above) shows a signal of the coldest... Read More

McIDAS images of GOES-13 0.63 µm visible channel data (above) revealed several plumes of blowing dust originating in northern Mexico, which then drifted northeastward across parts of Texas and New Mexico during the afternoon hours on 28 November 2010. At El Paso,... Read More