AWIPS images of 4-km resolution GOES-13 10.7 µm IR data (above; click image to play animation) showed an expansive deck of elevated stratus clouds covering much of eastern Texas and far southern Oklahoma on 13 January 2011.The Blended Total Precipitable Water (TPW) product (below) suggested that this elevated stratus cloud feature may... Read More

A strong “Nor’easter” winter storm impacted much of the northeastern US on 12 January – 13 January 2011. The storm exhibited a nice presentation on AWIPS images of the GOES-13 6.5 µm “water vapor channel” data... Read More

A comparison of MODIS Red/Green/Blue (RGB) “true color” (created using Bands 1/4/3) and “false color” (created using Bands 7/2/1) images from the SSEC MODIS Today site (above) showed a well-defined single lake-effect snow (LES) band running down the length of Lake Michigan on 08 January 2011. On the false color image, snow cover, ice, and glaciated clouds appeared as cyan-colored... Read More

McIDAS images of GOES-11 0.65 µm visible channel data (above) showed a persistent Tule fog event across much of the Central Valley of California on 05 January 2011. The northern portion of the fog eventually began to erode... Read More