A weak tornado occurred Thursday 27 September in Racine County of southeast Wisconsin. (North Cape Wisconsin, the site of the brief EF-0 touchdown, is in north-central Racine County). The tornado occurred about 15 minutes before the radar image below; the cell that produced the tornado is moving offshore into Lake Michigan at the time of the... Read More

A NOAA-15 1-km resolution Advanced Very High Resolution Radiometer (AVHRR) 10.8µm IR image centered over Madison, Wisconsin at 11:15 UTC or 6:15 AM local time on 26 September 2007 (above) shows that several of the smaller inland lakes across southern Wisconsin were... Read More

Strong winds in the middle troposphere (50-70 knots at 500 hPa) were seen around the base of a large trough of low pressure that was centered over the Great Basin region of the western US (above) on 24 September 2007.A sequence of three AWIPS images of the MODIS 6.7µm “water vapor channel”... Read More

A sequence of three Terra MODIS true color images from 02 August, 30 August, and 22 September 2007 centered over Lake Superior (above) reveals the onset of the brilliant orange Autumn season tree colors across parts of northeastern Minnesota, the Upper Peninsula of Michigan, and northern Wisconsin (ground truth: photo 1 | photo 2). Much... Read More