The animation above shows three hours of METAR plots, with the first one — 0900 UTC — overlaying a MODIS Infrared image. Note how the temperature at Madison (KMSN) in the center of the image rises from 34 with calm winds at 0900 UTC to 37 with light southwest winds... Read More

Clear skies and light winds allowed for the formation of fog in river valleys of Pennsylvania and New York in the early morning of 20 September 2012. The animation above shows the traditional method of detecting fog or low stratus from satellite (GOES-East, MODIS on Aqua and VIIRS on Suomi/NPP):... 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

McIDAS images of GOES-13 0.63 µm visible channel data (above; click image to play animation) showed the smoke plumes emanting from a number of large wildfires that were burning in parts of Idaho on 24 August 2012. Note that some of the low-altitude smoke was being channeled southward through valleys... Read More